408049480

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{42683}}^1$

素因数の和:42933

約数の個数: 32

約数和(自身を含む): 921974400

約数和(自身を除く): 513924920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 42683, 85366, 170732, 213415, 341464, 426830, 853660, 1707320, 10201237, 20402474, 40804948, 51006185, 81609896, 102012370, 204024740, 408049480]

約数ペア:

[(1, 408049480), (2, 204024740), (4, 102012370), (5, 81609896), (8, 51006185), (10, 40804948), (20, 20402474), (40, 10201237), (239, 1707320), (478, 853660), (956, 426830), (1195, 341464), (1912, 213415), (2390, 170732), (4780, 85366), (9560, 42683)]