399489590

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1\times {\mathrm{1571}}^1$

素因数の和:2068

約数の個数: 32

約数和(自身を含む): 733432320

約数和(自身を除く): 333942730

約数列:

[1, 2, 5, 10, 59, 118, 295, 431, 590, 862, 1571, 2155, 3142, 4310, 7855, 15710, 25429, 50858, 92689, 127145, 185378, 254290, 463445, 677101, 926890, 1354202, 3385505, 6771010, 39948959, 79897918, 199744795, 399489590]

約数ペア:

[(1, 399489590), (2, 199744795), (5, 79897918), (10, 39948959), (59, 6771010), (118, 3385505), (295, 1354202), (431, 926890), (590, 677101), (862, 463445), (1571, 254290), (2155, 185378), (3142, 127145), (4310, 92689), (7855, 50858), (15710, 25429)]