308296840

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{31981}}^1$

素因数の和:32233

約数の個数: 32

約数和(自身を含む): 696567960

約数和(自身を除く): 388271120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 9640, 31981, 63962, 127924, 159905, 255848, 319810, 639620, 1279240, 7707421, 15414842, 30829684, 38537105, 61659368, 77074210, 154148420, 308296840]

約数ペア:

[(1, 308296840), (2, 154148420), (4, 77074210), (5, 61659368), (8, 38537105), (10, 30829684), (20, 15414842), (40, 7707421), (241, 1279240), (482, 639620), (964, 319810), (1205, 255848), (1928, 159905), (2410, 127924), (4820, 63962), (9640, 31981)]