838690860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:285

約数の個数: 288

約数和(自身を含む): 2904975360

約数和(自身を除く): 2066284500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 79, 84, 92, 98, 105, 115, 138, 140, 147, 157, 158, 161, 196, 210, 230, 237, 245, 276, 294, 314, 316, 322, 345, 395, 420, 460, 471, 474, 483, 490, 553, 588, 628, 644, 690, 735, 785, 790, 805, 942, 948, 966, 980, 1099, 1106, 1127, 1185, 1380, 1470, 1570, 1580, 1610, 1659, 1817, 1884, 1932, 2198, 2212, 2254, 2355, 2370, 2415, 2765, 2940, 3140, 3220, 3297, 3318, 3381, 3611, 3634, 3871, 4396, 4508, 4710, 4740, 4830, 5451, 5495, 5530, 5635, 6594, 6636, 6762, 7222, 7268, 7693, 7742, 8295, 9085, 9420, 9660, 10833, 10902, 10990, 11060, 11270, 11613, 12403, 12719, 13188, 13524, 14444, 15386, 15484, 16485, 16590, 16905, 18055, 18170, 19355, 21666, 21804, 21980, 22540, 23079, 23226, 24806, 25277, 25438, 27255, 30772, 32970, 33180, 33810, 36110, 36340, 37209, 38157, 38465, 38710, 43332, 46158, 46452, 49612, 50554, 50876, 54165, 54510, 58065, 62015, 63595, 65940, 67620, 72220, 74418, 75831, 76314, 76930, 77420, 86821, 89033, 92316, 101108, 108330, 109020, 115395, 116130, 124030, 126385, 127190, 148836, 151662, 152628, 153860, 173642, 176939, 178066, 186045, 190785, 216660, 230790, 232260, 248060, 252770, 254380, 260463, 267099, 285269, 303324, 347284, 353878, 356132, 372090, 379155, 381570, 434105, 445165, 461580, 505540, 520926, 530817, 534198, 570538, 607747, 707756, 744180, 758310, 763140, 855807, 868210, 884695, 890330, 1041852, 1061634, 1068396, 1141076, 1215494, 1302315, 1335495, 1426345, 1516620, 1711614, 1736420, 1769390, 1780660, 1823241, 1996883, 2123268, 2430988, 2604630, 2654085, 2670990, 2852690, 3038735, 3423228, 3538780, 3646482, 3993766, 4279035, 5209260, 5308170, 5341980, 5705380, 5990649, 6077470, 7292964, 7987532, 8558070, 9116205, 9984415, 10616340, 11981298, 12154940, 13978181, 17116140, 18232410, 19968830, 23962596, 27956362, 29953245, 36464820, 39937660, 41934543, 55912724, 59906490, 69890905, 83869086, 119812980, 139781810, 167738172, 209672715, 279563620, 419345430, 838690860]

約数ペア:

[(1, 838690860), (2, 419345430), (3, 279563620), (4, 209672715), (5, 167738172), (6, 139781810), (7, 119812980), (10, 83869086), (12, 69890905), (14, 59906490), (15, 55912724), (20, 41934543), (21, 39937660), (23, 36464820), (28, 29953245), (30, 27956362), (35, 23962596), (42, 19968830), (46, 18232410), (49, 17116140), (60, 13978181), (69, 12154940), (70, 11981298), (79, 10616340), (84, 9984415), (92, 9116205), (98, 8558070), (105, 7987532), (115, 7292964), (138, 6077470), (140, 5990649), (147, 5705380), (157, 5341980), (158, 5308170), (161, 5209260), (196, 4279035), (210, 3993766), (230, 3646482), (237, 3538780), (245, 3423228), (276, 3038735), (294, 2852690), (314, 2670990), (316, 2654085), (322, 2604630), (345, 2430988), (395, 2123268), (420, 1996883), (460, 1823241), (471, 1780660), (474, 1769390), (483, 1736420), (490, 1711614), (553, 1516620), (588, 1426345), (628, 1335495), (644, 1302315), (690, 1215494), (735, 1141076), (785, 1068396), (790, 1061634), (805, 1041852), (942, 890330), (948, 884695), (966, 868210), (980, 855807), (1099, 763140), (1106, 758310), (1127, 744180), (1185, 707756), (1380, 607747), (1470, 570538), (1570, 534198), (1580, 530817), (1610, 520926), (1659, 505540), (1817, 461580), (1884, 445165), (1932, 434105), (2198, 381570), (2212, 379155), (2254, 372090), (2355, 356132), (2370, 353878), (2415, 347284), (2765, 303324), (2940, 285269), (3140, 267099), (3220, 260463), (3297, 254380), (3318, 252770), (3381, 248060), (3611, 232260), (3634, 230790), (3871, 216660), (4396, 190785), (4508, 186045), (4710, 178066), (4740, 176939), (4830, 173642), (5451, 153860), (5495, 152628), (5530, 151662), (5635, 148836), (6594, 127190), (6636, 126385), (6762, 124030), (7222, 116130), (7268, 115395), (7693, 109020), (7742, 108330), (8295, 101108), (9085, 92316), (9420, 89033), (9660, 86821), (10833, 77420), (10902, 76930), (10990, 76314), (11060, 75831), (11270, 74418), (11613, 72220), (12403, 67620), (12719, 65940), (13188, 63595), (13524, 62015), (14444, 58065), (15386, 54510), (15484, 54165), (16485, 50876), (16590, 50554), (16905, 49612), (18055, 46452), (18170, 46158), (19355, 43332), (21666, 38710), (21804, 38465), (21980, 38157), (22540, 37209), (23079, 36340), (23226, 36110), (24806, 33810), (25277, 33180), (25438, 32970), (27255, 30772)]