559480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 1283040

約数和(自身を除く): 723560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 197, 284, 355, 394, 568, 710, 788, 985, 1420, 1576, 1970, 2840, 3940, 7880, 13987, 27974, 55948, 69935, 111896, 139870, 279740, 559480]

約数ペア:

[(1, 559480), (2, 279740), (4, 139870), (5, 111896), (8, 69935), (10, 55948), (20, 27974), (40, 13987), (71, 7880), (142, 3940), (197, 2840), (284, 1970), (355, 1576), (394, 1420), (568, 985), (710, 788)]