88400680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1831}}^1$

素因数の和:1930

約数の個数: 64

約数和(自身を含む): 213684480

約数和(自身を除く): 125283800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 340, 355, 568, 680, 710, 1207, 1420, 1831, 2414, 2840, 3662, 4828, 6035, 7324, 9155, 9656, 12070, 14648, 18310, 24140, 31127, 36620, 48280, 62254, 73240, 124508, 130001, 155635, 249016, 260002, 311270, 520004, 622540, 650005, 1040008, 1245080, 1300010, 2210017, 2600020, 4420034, 5200040, 8840068, 11050085, 17680136, 22100170, 44200340, 88400680]

約数ペア:

[(1, 88400680), (2, 44200340), (4, 22100170), (5, 17680136), (8, 11050085), (10, 8840068), (17, 5200040), (20, 4420034), (34, 2600020), (40, 2210017), (68, 1300010), (71, 1245080), (85, 1040008), (136, 650005), (142, 622540), (170, 520004), (284, 311270), (340, 260002), (355, 249016), (568, 155635), (680, 130001), (710, 124508), (1207, 73240), (1420, 62254), (1831, 48280), (2414, 36620), (2840, 31127), (3662, 24140), (4828, 18310), (6035, 14648), (7324, 12070), (9155, 9656)]