212331320

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{7487}}^1$

素因数の和:8207

約数の個数: 32

約数和(自身を含む): 478483200

約数和(自身を除く): 266151880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1418, 2836, 3545, 5672, 7090, 7487, 14180, 14974, 28360, 29948, 37435, 59896, 74870, 149740, 299480, 5308283, 10616566, 21233132, 26541415, 42466264, 53082830, 106165660, 212331320]

約数ペア:

[(1, 212331320), (2, 106165660), (4, 53082830), (5, 42466264), (8, 26541415), (10, 21233132), (20, 10616566), (40, 5308283), (709, 299480), (1418, 149740), (2836, 74870), (3545, 59896), (5672, 37435), (7090, 29948), (7487, 28360), (14180, 14974)]