79871450

素因数分解:

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

素因数の和:383

約数の個数: 48

約数和(自身を含む): 152668800

約数和(自身を除く): 72797350

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 149, 151, 298, 302, 355, 710, 745, 755, 1490, 1510, 1775, 3550, 3725, 3775, 7450, 7550, 10579, 10721, 21158, 21442, 22499, 44998, 52895, 53605, 105790, 107210, 112495, 224990, 264475, 268025, 528950, 536050, 562475, 1124950, 1597429, 3194858, 7987145, 15974290, 39935725, 79871450]

約数ペア:

[(1, 79871450), (2, 39935725), (5, 15974290), (10, 7987145), (25, 3194858), (50, 1597429), (71, 1124950), (142, 562475), (149, 536050), (151, 528950), (298, 268025), (302, 264475), (355, 224990), (710, 112495), (745, 107210), (755, 105790), (1490, 53605), (1510, 52895), (1775, 44998), (3550, 22499), (3725, 21442), (3775, 21158), (7450, 10721), (7550, 10579)]