68220740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1039}}^1$

素因数の和:1129

約数の個数: 72

約数和(自身を含む): 169303680

約数和(自身を除く): 101082940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 469, 490, 670, 938, 980, 1039, 1340, 1876, 2078, 2345, 3283, 4156, 4690, 5195, 6566, 7273, 9380, 10390, 13132, 14546, 16415, 20780, 29092, 32830, 36365, 50911, 65660, 69613, 72730, 101822, 139226, 145460, 203644, 254555, 278452, 348065, 487291, 509110, 696130, 974582, 1018220, 1392260, 1949164, 2436455, 3411037, 4872910, 6822074, 9745820, 13644148, 17055185, 34110370, 68220740]

約数ペア:

[(1, 68220740), (2, 34110370), (4, 17055185), (5, 13644148), (7, 9745820), (10, 6822074), (14, 4872910), (20, 3411037), (28, 2436455), (35, 1949164), (49, 1392260), (67, 1018220), (70, 974582), (98, 696130), (134, 509110), (140, 487291), (196, 348065), (245, 278452), (268, 254555), (335, 203644), (469, 145460), (490, 139226), (670, 101822), (938, 72730), (980, 69613), (1039, 65660), (1340, 50911), (1876, 36365), (2078, 32830), (2345, 29092), (3283, 20780), (4156, 16415), (4690, 14546), (5195, 13132), (6566, 10390), (7273, 9380)]