171407920

素因数分解:

$2^4\times 5^1\times {\mathrm{547}}^1\times {\mathrm{3917}}^1$

素因数の和:4477

約数の個数: 40

約数和(自身を含む): 399353904

約数和(自身を除く): 227945984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 547, 1094, 2188, 2735, 3917, 4376, 5470, 7834, 8752, 10940, 15668, 19585, 21880, 31336, 39170, 43760, 62672, 78340, 156680, 313360, 2142599, 4285198, 8570396, 10712995, 17140792, 21425990, 34281584, 42851980, 85703960, 171407920]

約数ペア:

[(1, 171407920), (2, 85703960), (4, 42851980), (5, 34281584), (8, 21425990), (10, 17140792), (16, 10712995), (20, 8570396), (40, 4285198), (80, 2142599), (547, 313360), (1094, 156680), (2188, 78340), (2735, 62672), (3917, 43760), (4376, 39170), (5470, 31336), (7834, 21880), (8752, 19585), (10940, 15668)]