8889980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2377}}^1$

素因数の和:2414

約数の個数: 48

約数和(自身を含む): 21573216

約数和(自身を除く): 12683236

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 2377, 3740, 4754, 9508, 11885, 23770, 26147, 40409, 47540, 52294, 80818, 104588, 130735, 161636, 202045, 261470, 404090, 444499, 522940, 808180, 888998, 1777996, 2222495, 4444990, 8889980]

約数ペア:

[(1, 8889980), (2, 4444990), (4, 2222495), (5, 1777996), (10, 888998), (11, 808180), (17, 522940), (20, 444499), (22, 404090), (34, 261470), (44, 202045), (55, 161636), (68, 130735), (85, 104588), (110, 80818), (170, 52294), (187, 47540), (220, 40409), (340, 26147), (374, 23770), (748, 11885), (935, 9508), (1870, 4754), (2377, 3740)]