388373580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:277

約数の個数: 288

約数和(自身を含む): 1421242368

約数和(自身を除く): 1032868788

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 61, 62, 63, 70, 84, 90, 93, 105, 122, 124, 126, 140, 155, 163, 180, 183, 186, 210, 217, 244, 252, 279, 305, 310, 315, 326, 366, 372, 420, 427, 434, 465, 489, 549, 558, 610, 620, 630, 651, 652, 732, 815, 854, 868, 915, 930, 978, 1085, 1098, 1116, 1141, 1220, 1260, 1281, 1302, 1395, 1467, 1630, 1708, 1830, 1860, 1891, 1953, 1956, 2135, 2170, 2196, 2282, 2445, 2562, 2604, 2745, 2790, 2934, 3255, 3260, 3423, 3660, 3782, 3843, 3906, 4270, 4340, 4564, 4890, 5053, 5124, 5490, 5580, 5673, 5705, 5868, 6405, 6510, 6846, 7335, 7564, 7686, 7812, 8540, 9455, 9765, 9780, 9943, 10106, 10269, 10980, 11346, 11410, 12810, 13020, 13237, 13692, 14670, 15159, 15372, 17019, 17115, 18910, 19215, 19530, 19886, 20212, 20538, 22692, 22820, 25265, 25620, 26474, 28365, 29340, 29829, 30318, 34038, 34230, 35371, 37820, 38430, 39060, 39711, 39772, 41076, 45477, 49715, 50530, 51345, 52948, 56730, 59658, 60636, 66185, 68076, 68460, 69601, 70742, 75795, 76860, 79422, 85095, 89487, 90954, 99430, 101060, 102690, 106113, 113460, 119133, 119316, 132370, 139202, 141484, 149145, 151590, 158844, 170190, 176855, 178974, 181908, 198555, 198860, 205380, 208803, 212226, 227385, 238266, 264740, 278404, 298290, 303180, 308233, 318339, 340380, 348005, 353710, 357948, 397110, 417606, 424452, 447435, 454770, 476532, 530565, 595665, 596580, 616466, 626409, 636678, 696010, 707420, 794220, 835212, 894870, 909540, 924699, 1044015, 1061130, 1191330, 1232932, 1252818, 1273356, 1392020, 1541165, 1591695, 1789740, 1849398, 2088030, 2122260, 2157631, 2382660, 2505636, 2774097, 3082330, 3132045, 3183390, 3698796, 4176060, 4315262, 4623495, 5548194, 6164660, 6264090, 6366780, 6472893, 8630524, 9246990, 10788155, 11096388, 12528180, 12945786, 13870485, 18493980, 19418679, 21576310, 25891572, 27740970, 32364465, 38837358, 43152620, 55481940, 64728930, 77674716, 97093395, 129457860, 194186790, 388373580]

約数ペア:

[(1, 388373580), (2, 194186790), (3, 129457860), (4, 97093395), (5, 77674716), (6, 64728930), (7, 55481940), (9, 43152620), (10, 38837358), (12, 32364465), (14, 27740970), (15, 25891572), (18, 21576310), (20, 19418679), (21, 18493980), (28, 13870485), (30, 12945786), (31, 12528180), (35, 11096388), (36, 10788155), (42, 9246990), (45, 8630524), (60, 6472893), (61, 6366780), (62, 6264090), (63, 6164660), (70, 5548194), (84, 4623495), (90, 4315262), (93, 4176060), (105, 3698796), (122, 3183390), (124, 3132045), (126, 3082330), (140, 2774097), (155, 2505636), (163, 2382660), (180, 2157631), (183, 2122260), (186, 2088030), (210, 1849398), (217, 1789740), (244, 1591695), (252, 1541165), (279, 1392020), (305, 1273356), (310, 1252818), (315, 1232932), (326, 1191330), (366, 1061130), (372, 1044015), (420, 924699), (427, 909540), (434, 894870), (465, 835212), (489, 794220), (549, 707420), (558, 696010), (610, 636678), (620, 626409), (630, 616466), (651, 596580), (652, 595665), (732, 530565), (815, 476532), (854, 454770), (868, 447435), (915, 424452), (930, 417606), (978, 397110), (1085, 357948), (1098, 353710), (1116, 348005), (1141, 340380), (1220, 318339), (1260, 308233), (1281, 303180), (1302, 298290), (1395, 278404), (1467, 264740), (1630, 238266), (1708, 227385), (1830, 212226), (1860, 208803), (1891, 205380), (1953, 198860), (1956, 198555), (2135, 181908), (2170, 178974), (2196, 176855), (2282, 170190), (2445, 158844), (2562, 151590), (2604, 149145), (2745, 141484), (2790, 139202), (2934, 132370), (3255, 119316), (3260, 119133), (3423, 113460), (3660, 106113), (3782, 102690), (3843, 101060), (3906, 99430), (4270, 90954), (4340, 89487), (4564, 85095), (4890, 79422), (5053, 76860), (5124, 75795), (5490, 70742), (5580, 69601), (5673, 68460), (5705, 68076), (5868, 66185), (6405, 60636), (6510, 59658), (6846, 56730), (7335, 52948), (7564, 51345), (7686, 50530), (7812, 49715), (8540, 45477), (9455, 41076), (9765, 39772), (9780, 39711), (9943, 39060), (10106, 38430), (10269, 37820), (10980, 35371), (11346, 34230), (11410, 34038), (12810, 30318), (13020, 29829), (13237, 29340), (13692, 28365), (14670, 26474), (15159, 25620), (15372, 25265), (17019, 22820), (17115, 22692), (18910, 20538), (19215, 20212), (19530, 19886)]