380671640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{130367}}^1$

素因数の和:130451

約数の個数: 32

約数和(自身を含む): 868250880

約数和(自身を除く): 487579240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 130367, 260734, 521468, 651835, 1042936, 1303670, 2607340, 5214680, 9516791, 19033582, 38067164, 47583955, 76134328, 95167910, 190335820, 380671640]

約数ペア:

[(1, 380671640), (2, 190335820), (4, 95167910), (5, 76134328), (8, 47583955), (10, 38067164), (20, 19033582), (40, 9516791), (73, 5214680), (146, 2607340), (292, 1303670), (365, 1042936), (584, 651835), (730, 521468), (1460, 260734), (2920, 130367)]