713651020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:455

約数の個数: 96

約数和(自身を含む): 1622880000

約数和(自身を除く): 909228980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 139, 190, 229, 236, 278, 295, 380, 458, 556, 590, 695, 916, 1121, 1145, 1180, 1390, 2242, 2290, 2641, 2780, 4351, 4484, 4580, 5282, 5605, 8201, 8702, 10564, 11210, 13205, 13511, 16402, 17404, 21755, 22420, 26410, 27022, 31831, 32804, 41005, 43510, 52820, 54044, 63662, 67555, 82010, 87020, 127324, 135110, 155819, 159155, 164020, 256709, 270220, 311638, 318310, 513418, 604789, 623276, 636620, 779095, 1026836, 1209578, 1283545, 1558190, 1878029, 2419156, 2567090, 3023945, 3116380, 3756058, 5134180, 6047890, 7512116, 9390145, 12095780, 18780290, 35682551, 37560580, 71365102, 142730204, 178412755, 356825510, 713651020]

約数ペア:

[(1, 713651020), (2, 356825510), (4, 178412755), (5, 142730204), (10, 71365102), (19, 37560580), (20, 35682551), (38, 18780290), (59, 12095780), (76, 9390145), (95, 7512116), (118, 6047890), (139, 5134180), (190, 3756058), (229, 3116380), (236, 3023945), (278, 2567090), (295, 2419156), (380, 1878029), (458, 1558190), (556, 1283545), (590, 1209578), (695, 1026836), (916, 779095), (1121, 636620), (1145, 623276), (1180, 604789), (1390, 513418), (2242, 318310), (2290, 311638), (2641, 270220), (2780, 256709), (4351, 164020), (4484, 159155), (4580, 155819), (5282, 135110), (5605, 127324), (8201, 87020), (8702, 82010), (10564, 67555), (11210, 63662), (13205, 54044), (13511, 52820), (16402, 43510), (17404, 41005), (21755, 32804), (22420, 31831), (26410, 27022)]