31333220

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^2\times {\mathrm{349}}^1$

素因数の和:492

約数の個数: 36

約数和(自身を含む): 66987900

約数和(自身を除く): 35654680

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 349, 670, 698, 1340, 1396, 1745, 3490, 4489, 6980, 8978, 17956, 22445, 23383, 44890, 46766, 89780, 93532, 116915, 233830, 467660, 1566661, 3133322, 6266644, 7833305, 15666610, 31333220]

約数ペア:

[(1, 31333220), (2, 15666610), (4, 7833305), (5, 6266644), (10, 3133322), (20, 1566661), (67, 467660), (134, 233830), (268, 116915), (335, 93532), (349, 89780), (670, 46766), (698, 44890), (1340, 23383), (1396, 22445), (1745, 17956), (3490, 8978), (4489, 6980)]