68008420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{479}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 148377600

約数和(自身を除く): 80369180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 229, 310, 458, 479, 620, 916, 958, 1145, 1916, 2290, 2395, 4580, 4790, 7099, 9580, 14198, 14849, 28396, 29698, 35495, 59396, 70990, 74245, 109691, 141980, 148490, 219382, 296980, 438764, 548455, 1096910, 2193820, 3400421, 6800842, 13601684, 17002105, 34004210, 68008420]

約数ペア:

[(1, 68008420), (2, 34004210), (4, 17002105), (5, 13601684), (10, 6800842), (20, 3400421), (31, 2193820), (62, 1096910), (124, 548455), (155, 438764), (229, 296980), (310, 219382), (458, 148490), (479, 141980), (620, 109691), (916, 74245), (958, 70990), (1145, 59396), (1916, 35495), (2290, 29698), (2395, 28396), (4580, 14849), (4790, 14198), (7099, 9580)]