138601220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{821}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 304915968

約数和(自身を除く): 166314748

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 367, 460, 734, 821, 1468, 1642, 1835, 3284, 3670, 4105, 7340, 8210, 8441, 16420, 16882, 18883, 33764, 37766, 42205, 75532, 84410, 94415, 168820, 188830, 301307, 377660, 602614, 1205228, 1506535, 3013070, 6026140, 6930061, 13860122, 27720244, 34650305, 69300610, 138601220]

約数ペア:

[(1, 138601220), (2, 69300610), (4, 34650305), (5, 27720244), (10, 13860122), (20, 6930061), (23, 6026140), (46, 3013070), (92, 1506535), (115, 1205228), (230, 602614), (367, 377660), (460, 301307), (734, 188830), (821, 168820), (1468, 94415), (1642, 84410), (1835, 75532), (3284, 42205), (3670, 37766), (4105, 33764), (7340, 18883), (8210, 16882), (8441, 16420)]