288908140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{352327}}^1$

素因数の和:352377

約数の個数: 24

約数和(自身を含む): 621506592

約数和(自身を除く): 332598452

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 352327, 704654, 1409308, 1761635, 3523270, 7046540, 14445407, 28890814, 57781628, 72227035, 144454070, 288908140]

約数ペア:

[(1, 288908140), (2, 144454070), (4, 72227035), (5, 57781628), (10, 28890814), (20, 14445407), (41, 7046540), (82, 3523270), (164, 1761635), (205, 1409308), (410, 704654), (820, 352327)]