1720221260

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1\times {\mathrm{1567}}^1$

素因数の和:2126

約数の個数: 48

約数和(自身を含む): 3651056640

約数和(自身を除く): 1930835380

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 419, 524, 655, 838, 1310, 1567, 1676, 2095, 2620, 3134, 4190, 6268, 7835, 8380, 15670, 31340, 54889, 109778, 205277, 219556, 274445, 410554, 548890, 656573, 821108, 1026385, 1097780, 1313146, 2052770, 2626292, 3282865, 4105540, 6565730, 13131460, 86011063, 172022126, 344044252, 430055315, 860110630, 1720221260]

約数ペア:

[(1, 1720221260), (2, 860110630), (4, 430055315), (5, 344044252), (10, 172022126), (20, 86011063), (131, 13131460), (262, 6565730), (419, 4105540), (524, 3282865), (655, 2626292), (838, 2052770), (1310, 1313146), (1567, 1097780), (1676, 1026385), (2095, 821108), (2620, 656573), (3134, 548890), (4190, 410554), (6268, 274445), (7835, 219556), (8380, 205277), (15670, 109778), (31340, 54889)]