30401960

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5101}}^1$

素因数の和:5261

約数の個数: 32

約数和(自身を含む): 68877000

約数和(自身を除く): 38475040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5101, 5960, 10202, 20404, 25505, 40808, 51010, 102020, 204040, 760049, 1520098, 3040196, 3800245, 6080392, 7600490, 15200980, 30401960]

約数ペア:

[(1, 30401960), (2, 15200980), (4, 7600490), (5, 6080392), (8, 3800245), (10, 3040196), (20, 1520098), (40, 760049), (149, 204040), (298, 102020), (596, 51010), (745, 40808), (1192, 25505), (1490, 20404), (2980, 10202), (5101, 5960)]