218331320

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{74771}}^1$

素因数の和:74855

約数の個数: 32

約数和(自身を含む): 497981520

約数和(自身を除く): 279650200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 74771, 149542, 299084, 373855, 598168, 747710, 1495420, 2990840, 5458283, 10916566, 21833132, 27291415, 43666264, 54582830, 109165660, 218331320]

約数ペア:

[(1, 218331320), (2, 109165660), (4, 54582830), (5, 43666264), (8, 27291415), (10, 21833132), (20, 10916566), (40, 5458283), (73, 2990840), (146, 1495420), (292, 747710), (365, 598168), (584, 373855), (730, 299084), (1460, 149542), (2920, 74771)]