171489140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{120767}}^1$

素因数の和:120847

約数の個数: 24

約数和(自身を含む): 365202432

約数和(自身を除く): 193713292

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 120767, 241534, 483068, 603835, 1207670, 2415340, 8574457, 17148914, 34297828, 42872285, 85744570, 171489140]

約数ペア:

[(1, 171489140), (2, 85744570), (4, 42872285), (5, 34297828), (10, 17148914), (20, 8574457), (71, 2415340), (142, 1207670), (284, 603835), (355, 483068), (710, 241534), (1420, 120767)]