287440660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{677}}^1$

素因数の和:793

約数の個数: 96

約数和(自身を含む): 688891392

約数和(自身を除く): 401450732

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 71, 92, 115, 130, 142, 230, 260, 284, 299, 355, 460, 598, 677, 710, 923, 1196, 1354, 1420, 1495, 1633, 1846, 2708, 2990, 3266, 3385, 3692, 4615, 5980, 6532, 6770, 8165, 8801, 9230, 13540, 15571, 16330, 17602, 18460, 21229, 31142, 32660, 35204, 42458, 44005, 48067, 62284, 77855, 84916, 88010, 96134, 106145, 155710, 176020, 192268, 202423, 212290, 240335, 311420, 404846, 424580, 480670, 624871, 809692, 961340, 1012115, 1105541, 1249742, 2024230, 2211082, 2499484, 3124355, 4048460, 4422164, 5527705, 6248710, 11055410, 12497420, 14372033, 22110820, 28744066, 57488132, 71860165, 143720330, 287440660]

約数ペア:

[(1, 287440660), (2, 143720330), (4, 71860165), (5, 57488132), (10, 28744066), (13, 22110820), (20, 14372033), (23, 12497420), (26, 11055410), (46, 6248710), (52, 5527705), (65, 4422164), (71, 4048460), (92, 3124355), (115, 2499484), (130, 2211082), (142, 2024230), (230, 1249742), (260, 1105541), (284, 1012115), (299, 961340), (355, 809692), (460, 624871), (598, 480670), (677, 424580), (710, 404846), (923, 311420), (1196, 240335), (1354, 212290), (1420, 202423), (1495, 192268), (1633, 176020), (1846, 155710), (2708, 106145), (2990, 96134), (3266, 88010), (3385, 84916), (3692, 77855), (4615, 62284), (5980, 48067), (6532, 44005), (6770, 42458), (8165, 35204), (8801, 32660), (9230, 31142), (13540, 21229), (15571, 18460), (16330, 17602)]