357788140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{4003}}^1$

素因数の和:4162

約数の個数: 48

約数和(自身を含む): 776936160

約数和(自身を除く): 419148020

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 164, 205, 218, 410, 436, 545, 820, 1090, 2180, 4003, 4469, 8006, 8938, 16012, 17876, 20015, 22345, 40030, 44690, 80060, 89380, 164123, 328246, 436327, 656492, 820615, 872654, 1641230, 1745308, 2181635, 3282460, 4363270, 8726540, 17889407, 35778814, 71557628, 89447035, 178894070, 357788140]

約数ペア:

[(1, 357788140), (2, 178894070), (4, 89447035), (5, 71557628), (10, 35778814), (20, 17889407), (41, 8726540), (82, 4363270), (109, 3282460), (164, 2181635), (205, 1745308), (218, 1641230), (410, 872654), (436, 820615), (545, 656492), (820, 436327), (1090, 328246), (2180, 164123), (4003, 89380), (4469, 80060), (8006, 44690), (8938, 40030), (16012, 22345), (17876, 20015)]