209631760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:281

約数の個数: 160

約数和(自身を含む): 566963712

約数和(自身を除く): 357331952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 71, 80, 85, 104, 130, 136, 142, 167, 170, 208, 221, 260, 272, 284, 334, 340, 355, 442, 520, 568, 668, 680, 710, 835, 884, 923, 1040, 1105, 1136, 1207, 1336, 1360, 1420, 1670, 1768, 1846, 2171, 2210, 2414, 2672, 2839, 2840, 3340, 3536, 3692, 4342, 4420, 4615, 4828, 5678, 5680, 6035, 6680, 7384, 8684, 8840, 9230, 9656, 10855, 11356, 11857, 12070, 13360, 14195, 14768, 15691, 17368, 17680, 18460, 19312, 21710, 22712, 23714, 24140, 28390, 31382, 34736, 36907, 36920, 43420, 45424, 47428, 48280, 56780, 59285, 62764, 73814, 73840, 78455, 86840, 94856, 96560, 113560, 118570, 125528, 147628, 154141, 156910, 173680, 184535, 189712, 201569, 227120, 237140, 251056, 295256, 308282, 313820, 369070, 403138, 474280, 590512, 616564, 627640, 738140, 770705, 806276, 948560, 1007845, 1233128, 1255280, 1476280, 1541410, 1612552, 2015690, 2466256, 2620397, 2952560, 3082820, 3225104, 4031380, 5240794, 6165640, 8062760, 10481588, 12331280, 13101985, 16125520, 20963176, 26203970, 41926352, 52407940, 104815880, 209631760]

約数ペア:

[(1, 209631760), (2, 104815880), (4, 52407940), (5, 41926352), (8, 26203970), (10, 20963176), (13, 16125520), (16, 13101985), (17, 12331280), (20, 10481588), (26, 8062760), (34, 6165640), (40, 5240794), (52, 4031380), (65, 3225104), (68, 3082820), (71, 2952560), (80, 2620397), (85, 2466256), (104, 2015690), (130, 1612552), (136, 1541410), (142, 1476280), (167, 1255280), (170, 1233128), (208, 1007845), (221, 948560), (260, 806276), (272, 770705), (284, 738140), (334, 627640), (340, 616564), (355, 590512), (442, 474280), (520, 403138), (568, 369070), (668, 313820), (680, 308282), (710, 295256), (835, 251056), (884, 237140), (923, 227120), (1040, 201569), (1105, 189712), (1136, 184535), (1207, 173680), (1336, 156910), (1360, 154141), (1420, 147628), (1670, 125528), (1768, 118570), (1846, 113560), (2171, 96560), (2210, 94856), (2414, 86840), (2672, 78455), (2839, 73840), (2840, 73814), (3340, 62764), (3536, 59285), (3692, 56780), (4342, 48280), (4420, 47428), (4615, 45424), (4828, 43420), (5678, 36920), (5680, 36907), (6035, 34736), (6680, 31382), (7384, 28390), (8684, 24140), (8840, 23714), (9230, 22712), (9656, 21710), (10855, 19312), (11356, 18460), (11857, 17680), (12070, 17368), (13360, 15691), (14195, 14768)]