85681700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3877}}^1$

素因数の和:3921

約数の個数: 72

約数和(自身を含む): 212064552

約数和(自身を除く): 126382852

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, 3877, 4420, 5525, 7754, 11050, 15508, 19385, 22100, 38770, 50401, 65909, 77540, 96925, 100802, 131818, 193850, 201604, 252005, 263636, 329545, 387700, 504010, 659090, 856817, 1008020, 1260025, 1318180, 1647725, 1713634, 2520050, 3295450, 3427268, 4284085, 5040100, 6590900, 8568170, 17136340, 21420425, 42840850, 85681700]

約数ペア:

[(1, 85681700), (2, 42840850), (4, 21420425), (5, 17136340), (10, 8568170), (13, 6590900), (17, 5040100), (20, 4284085), (25, 3427268), (26, 3295450), (34, 2520050), (50, 1713634), (52, 1647725), (65, 1318180), (68, 1260025), (85, 1008020), (100, 856817), (130, 659090), (170, 504010), (221, 387700), (260, 329545), (325, 263636), (340, 252005), (425, 201604), (442, 193850), (650, 131818), (850, 100802), (884, 96925), (1105, 77540), (1300, 65909), (1700, 50401), (2210, 38770), (3877, 22100), (4420, 19385), (5525, 15508), (7754, 11050)]