129540940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{113}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 290037888

約数和(自身を除く): 160496948

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 113, 124, 155, 172, 215, 226, 310, 430, 452, 565, 620, 860, 1130, 1333, 1849, 2260, 2666, 3503, 3698, 4859, 5332, 6665, 7006, 7396, 9245, 9718, 13330, 14012, 17515, 18490, 19436, 24295, 26660, 35030, 36980, 48590, 57319, 70060, 97180, 114638, 150629, 208937, 229276, 286595, 301258, 417874, 573190, 602516, 753145, 835748, 1044685, 1146380, 1506290, 2089370, 3012580, 4178740, 6477047, 12954094, 25908188, 32385235, 64770470, 129540940]

約数ペア:

[(1, 129540940), (2, 64770470), (4, 32385235), (5, 25908188), (10, 12954094), (20, 6477047), (31, 4178740), (43, 3012580), (62, 2089370), (86, 1506290), (113, 1146380), (124, 1044685), (155, 835748), (172, 753145), (215, 602516), (226, 573190), (310, 417874), (430, 301258), (452, 286595), (565, 229276), (620, 208937), (860, 150629), (1130, 114638), (1333, 97180), (1849, 70060), (2260, 57319), (2666, 48590), (3503, 36980), (3698, 35030), (4859, 26660), (5332, 24295), (6665, 19436), (7006, 18490), (7396, 17515), (9245, 14012), (9718, 13330)]