68706740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{283}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 147907200

約数和(自身を除く): 79200460

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 199, 244, 283, 305, 398, 566, 610, 796, 995, 1132, 1220, 1415, 1990, 2830, 3980, 5660, 12139, 17263, 24278, 34526, 48556, 56317, 60695, 69052, 86315, 112634, 121390, 172630, 225268, 242780, 281585, 345260, 563170, 1126340, 3435337, 6870674, 13741348, 17176685, 34353370, 68706740]

約数ペア:

[(1, 68706740), (2, 34353370), (4, 17176685), (5, 13741348), (10, 6870674), (20, 3435337), (61, 1126340), (122, 563170), (199, 345260), (244, 281585), (283, 242780), (305, 225268), (398, 172630), (566, 121390), (610, 112634), (796, 86315), (995, 69052), (1132, 60695), (1220, 56317), (1415, 48556), (1990, 34526), (2830, 24278), (3980, 17263), (5660, 12139)]