210913640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{107609}}^1$

素因数の和:107634

約数の個数: 48

約数和(自身を含む): 552039300

約数和(自身を除く): 341125660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 107609, 215218, 430436, 538045, 753263, 860872, 1076090, 1506526, 2152180, 3013052, 3766315, 4304360, 5272841, 6026104, 7532630, 10545682, 15065260, 21091364, 26364205, 30130520, 42182728, 52728410, 105456820, 210913640]

約数ペア:

[(1, 210913640), (2, 105456820), (4, 52728410), (5, 42182728), (7, 30130520), (8, 26364205), (10, 21091364), (14, 15065260), (20, 10545682), (28, 7532630), (35, 6026104), (40, 5272841), (49, 4304360), (56, 3766315), (70, 3013052), (98, 2152180), (140, 1506526), (196, 1076090), (245, 860872), (280, 753263), (392, 538045), (490, 430436), (980, 215218), (1960, 107609)]