201475640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2857}}^1$

素因数の和:2952

約数の個数: 64

約数和(自身を含む): 475342560

約数和(自身を除く): 273866920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 1640, 1720, 1763, 2857, 3526, 5714, 7052, 8815, 11428, 14104, 14285, 17630, 22856, 28570, 35260, 57140, 70520, 114280, 117137, 122851, 234274, 245702, 468548, 491404, 585685, 614255, 937096, 982808, 1171370, 1228510, 2342740, 2457020, 4685480, 4914040, 5036891, 10073782, 20147564, 25184455, 40295128, 50368910, 100737820, 201475640]

約数ペア:

[(1, 201475640), (2, 100737820), (4, 50368910), (5, 40295128), (8, 25184455), (10, 20147564), (20, 10073782), (40, 5036891), (41, 4914040), (43, 4685480), (82, 2457020), (86, 2342740), (164, 1228510), (172, 1171370), (205, 982808), (215, 937096), (328, 614255), (344, 585685), (410, 491404), (430, 468548), (820, 245702), (860, 234274), (1640, 122851), (1720, 117137), (1763, 114280), (2857, 70520), (3526, 57140), (5714, 35260), (7052, 28570), (8815, 22856), (11428, 17630), (14104, 14285)]