68708900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3109}}^1$

素因数の和:3153

約数の個数: 72

約数和(自身を含む): 170067240

約数和(自身を除く): 101358340

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 260, 325, 340, 425, 442, 650, 850, 884, 1105, 1300, 1700, 2210, 3109, 4420, 5525, 6218, 11050, 12436, 15545, 22100, 31090, 40417, 52853, 62180, 77725, 80834, 105706, 155450, 161668, 202085, 211412, 264265, 310900, 404170, 528530, 687089, 808340, 1010425, 1057060, 1321325, 1374178, 2020850, 2642650, 2748356, 3435445, 4041700, 5285300, 6870890, 13741780, 17177225, 34354450, 68708900]

約数ペア:

[(1, 68708900), (2, 34354450), (4, 17177225), (5, 13741780), (10, 6870890), (13, 5285300), (17, 4041700), (20, 3435445), (25, 2748356), (26, 2642650), (34, 2020850), (50, 1374178), (52, 1321325), (65, 1057060), (68, 1010425), (85, 808340), (100, 687089), (130, 528530), (170, 404170), (221, 310900), (260, 264265), (325, 211412), (340, 202085), (425, 161668), (442, 155450), (650, 105706), (850, 80834), (884, 77725), (1105, 62180), (1300, 52853), (1700, 40417), (2210, 31090), (3109, 22100), (4420, 15545), (5525, 12436), (6218, 11050)]