819260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 1947456

約数和(自身を除く): 1128196

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 137, 230, 260, 274, 299, 460, 548, 598, 685, 1196, 1370, 1495, 1781, 2740, 2990, 3151, 3562, 5980, 6302, 7124, 8905, 12604, 15755, 17810, 31510, 35620, 40963, 63020, 81926, 163852, 204815, 409630, 819260]

約数ペア:

[(1, 819260), (2, 409630), (4, 204815), (5, 163852), (10, 81926), (13, 63020), (20, 40963), (23, 35620), (26, 31510), (46, 17810), (52, 15755), (65, 12604), (92, 8905), (115, 7124), (130, 6302), (137, 5980), (230, 3562), (260, 3151), (274, 2990), (299, 2740), (460, 1781), (548, 1495), (598, 1370), (685, 1196)]