2939036840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139423}}^1$

素因数の和:139482

約数の個数: 64

約数和(自身を含む): 7227740160

約数和(自身を除く): 4288703320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 2108, 2635, 4216, 5270, 10540, 21080, 139423, 278846, 557692, 697115, 1115384, 1394230, 2370191, 2788460, 4322113, 4740382, 5576920, 8644226, 9480764, 11850955, 17288452, 18961528, 21610565, 23701910, 34576904, 43221130, 47403820, 73475921, 86442260, 94807640, 146951842, 172884520, 293903684, 367379605, 587807368, 734759210, 1469518420, 2939036840]

約数ペア:

[(1, 2939036840), (2, 1469518420), (4, 734759210), (5, 587807368), (8, 367379605), (10, 293903684), (17, 172884520), (20, 146951842), (31, 94807640), (34, 86442260), (40, 73475921), (62, 47403820), (68, 43221130), (85, 34576904), (124, 23701910), (136, 21610565), (155, 18961528), (170, 17288452), (248, 11850955), (310, 9480764), (340, 8644226), (527, 5576920), (620, 4740382), (680, 4322113), (1054, 2788460), (1240, 2370191), (2108, 1394230), (2635, 1115384), (4216, 697115), (5270, 557692), (10540, 278846), (21080, 139423)]