29970605

素因数分解:

$5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{821}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 42168600

約数和(自身を除く): 12197995

約数列:

[1, 5, 7, 35, 49, 149, 245, 745, 821, 1043, 4105, 5215, 5747, 7301, 28735, 36505, 40229, 122329, 201145, 611645, 856303, 4281515, 5994121, 29970605]

約数ペア:

[(1, 29970605), (5, 5994121), (7, 4281515), (35, 856303), (49, 611645), (149, 201145), (245, 122329), (745, 40229), (821, 36505), (1043, 28735), (4105, 7301), (5215, 5747)]