15974290

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 13574510

約数列:

[1, 2, 5, 10, 71, 142, 149, 151, 298, 302, 355, 710, 745, 755, 1490, 1510, 10579, 10721, 21158, 21442, 22499, 44998, 52895, 53605, 105790, 107210, 112495, 224990, 1597429, 3194858, 7987145, 15974290]

約数ペア:

[(1, 15974290), (2, 7987145), (5, 3194858), (10, 1597429), (71, 224990), (142, 112495), (149, 107210), (151, 105790), (298, 53605), (302, 52895), (355, 44998), (710, 22499), (745, 21442), (755, 21158), (1490, 10721), (1510, 10579)]