71979700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3257}}^1$

素因数の和:3301

約数の個数: 72

約数和(自身を含む): 178160472

約数和(自身を除く): 106180772

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, 3257, 4420, 5525, 6514, 11050, 13028, 16285, 22100, 32570, 42341, 55369, 65140, 81425, 84682, 110738, 162850, 169364, 211705, 221476, 276845, 325700, 423410, 553690, 719797, 846820, 1058525, 1107380, 1384225, 1439594, 2117050, 2768450, 2879188, 3598985, 4234100, 5536900, 7197970, 14395940, 17994925, 35989850, 71979700]

約数ペア:

[(1, 71979700), (2, 35989850), (4, 17994925), (5, 14395940), (10, 7197970), (13, 5536900), (17, 4234100), (20, 3598985), (25, 2879188), (26, 2768450), (34, 2117050), (50, 1439594), (52, 1384225), (65, 1107380), (68, 1058525), (85, 846820), (100, 719797), (130, 553690), (170, 423410), (221, 325700), (260, 276845), (325, 221476), (340, 211705), (425, 169364), (442, 162850), (650, 110738), (850, 84682), (884, 81425), (1105, 65140), (1300, 55369), (1700, 42341), (2210, 32570), (3257, 22100), (4420, 16285), (5525, 13028), (6514, 11050)]