989726220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:325

約数の個数: 288

約数和(自身を含む): 3553105920

約数和(自身を除く): 2563379700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 79, 84, 90, 105, 122, 126, 140, 158, 163, 180, 183, 210, 237, 244, 252, 305, 315, 316, 326, 366, 395, 420, 427, 474, 489, 549, 553, 610, 630, 652, 711, 732, 790, 815, 854, 915, 948, 978, 1098, 1106, 1141, 1185, 1220, 1260, 1281, 1422, 1467, 1580, 1630, 1659, 1708, 1830, 1956, 2135, 2196, 2212, 2282, 2370, 2445, 2562, 2745, 2765, 2844, 2934, 3260, 3318, 3423, 3555, 3660, 3843, 4270, 4564, 4740, 4819, 4890, 4977, 5124, 5490, 5530, 5705, 5868, 6405, 6636, 6846, 7110, 7335, 7686, 8295, 8540, 9638, 9780, 9943, 9954, 10269, 10980, 11060, 11410, 12810, 12877, 13692, 14220, 14457, 14670, 15372, 16590, 17115, 19215, 19276, 19886, 19908, 20538, 22820, 24095, 24885, 25620, 25754, 28914, 29340, 29829, 33180, 33733, 34230, 38430, 38631, 39772, 41076, 43371, 48190, 49715, 49770, 51345, 51508, 57828, 59658, 64385, 67466, 68460, 69601, 72285, 76860, 77262, 86742, 89487, 90139, 96380, 99430, 99540, 101199, 102690, 115893, 119316, 128770, 134932, 139202, 144570, 149145, 154524, 168665, 173484, 178974, 180278, 193155, 198860, 202398, 205380, 208803, 216855, 231786, 257540, 270417, 278404, 289140, 298290, 303597, 337330, 348005, 357948, 360556, 386310, 404796, 417606, 433710, 447435, 450695, 463572, 505995, 540834, 579465, 596580, 607194, 626409, 674660, 696010, 772620, 785497, 811251, 835212, 867420, 894870, 901390, 1011990, 1044015, 1081668, 1158930, 1214388, 1252818, 1352085, 1392020, 1517985, 1570994, 1622502, 1789740, 1802780, 2023980, 2088030, 2317860, 2356491, 2505636, 2704170, 3035970, 3132045, 3141988, 3245004, 3927485, 4056255, 4176060, 4712982, 5408340, 5498479, 6071940, 6264090, 7069473, 7854970, 8112510, 9425964, 10996958, 11782455, 12528180, 14138946, 15709940, 16225020, 16495437, 21993916, 23564910, 27492395, 28277892, 32990874, 35347365, 47129820, 49486311, 54984790, 65981748, 70694730, 82477185, 98972622, 109969580, 141389460, 164954370, 197945244, 247431555, 329908740, 494863110, 989726220]

約数ペア:

[(1, 989726220), (2, 494863110), (3, 329908740), (4, 247431555), (5, 197945244), (6, 164954370), (7, 141389460), (9, 109969580), (10, 98972622), (12, 82477185), (14, 70694730), (15, 65981748), (18, 54984790), (20, 49486311), (21, 47129820), (28, 35347365), (30, 32990874), (35, 28277892), (36, 27492395), (42, 23564910), (45, 21993916), (60, 16495437), (61, 16225020), (63, 15709940), (70, 14138946), (79, 12528180), (84, 11782455), (90, 10996958), (105, 9425964), (122, 8112510), (126, 7854970), (140, 7069473), (158, 6264090), (163, 6071940), (180, 5498479), (183, 5408340), (210, 4712982), (237, 4176060), (244, 4056255), (252, 3927485), (305, 3245004), (315, 3141988), (316, 3132045), (326, 3035970), (366, 2704170), (395, 2505636), (420, 2356491), (427, 2317860), (474, 2088030), (489, 2023980), (549, 1802780), (553, 1789740), (610, 1622502), (630, 1570994), (652, 1517985), (711, 1392020), (732, 1352085), (790, 1252818), (815, 1214388), (854, 1158930), (915, 1081668), (948, 1044015), (978, 1011990), (1098, 901390), (1106, 894870), (1141, 867420), (1185, 835212), (1220, 811251), (1260, 785497), (1281, 772620), (1422, 696010), (1467, 674660), (1580, 626409), (1630, 607194), (1659, 596580), (1708, 579465), (1830, 540834), (1956, 505995), (2135, 463572), (2196, 450695), (2212, 447435), (2282, 433710), (2370, 417606), (2445, 404796), (2562, 386310), (2745, 360556), (2765, 357948), (2844, 348005), (2934, 337330), (3260, 303597), (3318, 298290), (3423, 289140), (3555, 278404), (3660, 270417), (3843, 257540), (4270, 231786), (4564, 216855), (4740, 208803), (4819, 205380), (4890, 202398), (4977, 198860), (5124, 193155), (5490, 180278), (5530, 178974), (5705, 173484), (5868, 168665), (6405, 154524), (6636, 149145), (6846, 144570), (7110, 139202), (7335, 134932), (7686, 128770), (8295, 119316), (8540, 115893), (9638, 102690), (9780, 101199), (9943, 99540), (9954, 99430), (10269, 96380), (10980, 90139), (11060, 89487), (11410, 86742), (12810, 77262), (12877, 76860), (13692, 72285), (14220, 69601), (14457, 68460), (14670, 67466), (15372, 64385), (16590, 59658), (17115, 57828), (19215, 51508), (19276, 51345), (19886, 49770), (19908, 49715), (20538, 48190), (22820, 43371), (24095, 41076), (24885, 39772), (25620, 38631), (25754, 38430), (28914, 34230), (29340, 33733), (29829, 33180)]