7506940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^2$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 19081440

約数和(自身を除く): 11574500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 43, 58, 70, 86, 116, 140, 145, 172, 203, 215, 290, 301, 406, 430, 580, 602, 812, 860, 1015, 1204, 1247, 1505, 1849, 2030, 2494, 3010, 3698, 4060, 4988, 6020, 6235, 7396, 8729, 9245, 12470, 12943, 17458, 18490, 24940, 25886, 34916, 36980, 43645, 51772, 53621, 64715, 87290, 107242, 129430, 174580, 214484, 258860, 268105, 375347, 536210, 750694, 1072420, 1501388, 1876735, 3753470, 7506940]

約数ペア:

[(1, 7506940), (2, 3753470), (4, 1876735), (5, 1501388), (7, 1072420), (10, 750694), (14, 536210), (20, 375347), (28, 268105), (29, 258860), (35, 214484), (43, 174580), (58, 129430), (70, 107242), (86, 87290), (116, 64715), (140, 53621), (145, 51772), (172, 43645), (203, 36980), (215, 34916), (290, 25886), (301, 24940), (406, 18490), (430, 17458), (580, 12943), (602, 12470), (812, 9245), (860, 8729), (1015, 7396), (1204, 6235), (1247, 6020), (1505, 4988), (1849, 4060), (2030, 3698), (2494, 3010)]