308191880

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{12569}}^1$

素因数の和:13193

約数の個数: 32

約数和(自身を含む): 694618200

約数和(自身を除く): 386426320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 3065, 4904, 6130, 12260, 12569, 24520, 25138, 50276, 62845, 100552, 125690, 251380, 502760, 7704797, 15409594, 30819188, 38523985, 61638376, 77047970, 154095940, 308191880]

約数ペア:

[(1, 308191880), (2, 154095940), (4, 77047970), (5, 61638376), (8, 38523985), (10, 30819188), (20, 15409594), (40, 7704797), (613, 502760), (1226, 251380), (2452, 125690), (3065, 100552), (4904, 62845), (6130, 50276), (12260, 25138), (12569, 24520)]