219156670

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{823}}^1\times {\mathrm{859}}^1$

素因数の和:1720

約数の個数: 32

約数和(自身を含む): 408176640

約数和(自身を除く): 189019970

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 823, 859, 1646, 1718, 4115, 4295, 8230, 8590, 25513, 26629, 51026, 53258, 127565, 133145, 255130, 266290, 706957, 1413914, 3534785, 7069570, 21915667, 43831334, 109578335, 219156670]

約数ペア:

[(1, 219156670), (2, 109578335), (5, 43831334), (10, 21915667), (31, 7069570), (62, 3534785), (155, 1413914), (310, 706957), (823, 266290), (859, 255130), (1646, 133145), (1718, 127565), (4115, 53258), (4295, 51026), (8230, 26629), (8590, 25513)]