408024980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1854659}}^1$

素因数の和:1854679

約数の個数: 24

約数和(自身を含む): 934748640

約数和(自身を除く): 526723660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1854659, 3709318, 7418636, 9273295, 18546590, 20401249, 37093180, 40802498, 81604996, 102006245, 204012490, 408024980]

約数ペア:

[(1, 408024980), (2, 204012490), (4, 102006245), (5, 81604996), (10, 40802498), (11, 37093180), (20, 20401249), (22, 18546590), (44, 9273295), (55, 7418636), (110, 3709318), (220, 1854659)]