2158813340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{204821}}^1$

素因数の和:204878

約数の個数: 48

約数和(自身を含む): 4955053824

約数和(自身を除く): 2796240484

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 10540, 204821, 409642, 819284, 1024105, 2048210, 3481957, 4096420, 6349451, 6963914, 12698902, 13927828, 17409785, 25397804, 31747255, 34819570, 63494510, 69639140, 107940667, 126989020, 215881334, 431762668, 539703335, 1079406670, 2158813340]

約数ペア:

[(1, 2158813340), (2, 1079406670), (4, 539703335), (5, 431762668), (10, 215881334), (17, 126989020), (20, 107940667), (31, 69639140), (34, 63494510), (62, 34819570), (68, 31747255), (85, 25397804), (124, 17409785), (155, 13927828), (170, 12698902), (310, 6963914), (340, 6349451), (527, 4096420), (620, 3481957), (1054, 2048210), (2108, 1024105), (2635, 819284), (5270, 409642), (10540, 204821)]