31948580

素因数分解:

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

素因数の和:380

約数の個数: 48

約数和(自身を含む): 68947200

約数和(自身を除く): 36998620

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 149, 151, 284, 298, 302, 355, 596, 604, 710, 745, 755, 1420, 1490, 1510, 2980, 3020, 10579, 10721, 21158, 21442, 22499, 42316, 42884, 44998, 52895, 53605, 89996, 105790, 107210, 112495, 211580, 214420, 224990, 449980, 1597429, 3194858, 6389716, 7987145, 15974290, 31948580]

約数ペア:

[(1, 31948580), (2, 15974290), (4, 7987145), (5, 6389716), (10, 3194858), (20, 1597429), (71, 449980), (142, 224990), (149, 214420), (151, 211580), (284, 112495), (298, 107210), (302, 105790), (355, 89996), (596, 53605), (604, 52895), (710, 44998), (745, 42884), (755, 42316), (1420, 22499), (1490, 21442), (1510, 21158), (2980, 10721), (3020, 10579)]