90348940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{823}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 207648000

約数和(自身を除く): 117299060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 499, 823, 998, 1646, 1996, 2495, 3292, 4115, 4990, 5489, 8230, 9053, 9980, 10978, 16460, 18106, 21956, 27445, 36212, 45265, 54890, 90530, 109780, 181060, 410677, 821354, 1642708, 2053385, 4106770, 4517447, 8213540, 9034894, 18069788, 22587235, 45174470, 90348940]

約数ペア:

[(1, 90348940), (2, 45174470), (4, 22587235), (5, 18069788), (10, 9034894), (11, 8213540), (20, 4517447), (22, 4106770), (44, 2053385), (55, 1642708), (110, 821354), (220, 410677), (499, 181060), (823, 109780), (998, 90530), (1646, 54890), (1996, 45265), (2495, 36212), (3292, 27445), (4115, 21956), (4990, 18106), (5489, 16460), (8230, 10978), (9053, 9980)]