171771640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{148079}}^1$

素因数の和:148119

約数の個数: 32

約数和(自身を含む): 399816000

約数和(自身を除く): 228044360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 148079, 296158, 592316, 740395, 1184632, 1480790, 2961580, 4294291, 5923160, 8588582, 17177164, 21471455, 34354328, 42942910, 85885820, 171771640]

約数ペア:

[(1, 171771640), (2, 85885820), (4, 42942910), (5, 34354328), (8, 21471455), (10, 17177164), (20, 8588582), (29, 5923160), (40, 4294291), (58, 2961580), (116, 1480790), (145, 1184632), (232, 740395), (290, 592316), (580, 296158), (1160, 148079)]