87504940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1249}}^1$

素因数の和:1402

約数の個数: 48

約数和(自身を含む): 191520000

約数和(自身を除く): 104015060

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 113, 124, 155, 226, 310, 452, 565, 620, 1130, 1249, 2260, 2498, 3503, 4996, 6245, 7006, 12490, 14012, 17515, 24980, 35030, 38719, 70060, 77438, 141137, 154876, 193595, 282274, 387190, 564548, 705685, 774380, 1411370, 2822740, 4375247, 8750494, 17500988, 21876235, 43752470, 87504940]

約数ペア:

[(1, 87504940), (2, 43752470), (4, 21876235), (5, 17500988), (10, 8750494), (20, 4375247), (31, 2822740), (62, 1411370), (113, 774380), (124, 705685), (155, 564548), (226, 387190), (310, 282274), (452, 193595), (565, 154876), (620, 141137), (1130, 77438), (1249, 70060), (2260, 38719), (2498, 35030), (3503, 24980), (4996, 17515), (6245, 14012), (7006, 12490)]