71989960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257107}}^1$

素因数の和:257125

約数の個数: 32

約数和(自身を含む): 185117760

約数和(自身を除く): 113127800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 257107, 514214, 1028428, 1285535, 1799749, 2056856, 2571070, 3599498, 5142140, 7198996, 8998745, 10284280, 14397992, 17997490, 35994980, 71989960]

約数ペア:

[(1, 71989960), (2, 35994980), (4, 17997490), (5, 14397992), (7, 10284280), (8, 8998745), (10, 7198996), (14, 5142140), (20, 3599498), (28, 2571070), (35, 2056856), (40, 1799749), (56, 1285535), (70, 1028428), (140, 514214), (280, 257107)]