13973420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 31485888

約数和(自身を除く): 17512468

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 821, 851, 1642, 1702, 3284, 3404, 4105, 4255, 8210, 8510, 16420, 17020, 18883, 30377, 37766, 60754, 75532, 94415, 121508, 151885, 188830, 303770, 377660, 607540, 698671, 1397342, 2794684, 3493355, 6986710, 13973420]

約数ペア:

[(1, 13973420), (2, 6986710), (4, 3493355), (5, 2794684), (10, 1397342), (20, 698671), (23, 607540), (37, 377660), (46, 303770), (74, 188830), (92, 151885), (115, 121508), (148, 94415), (185, 75532), (230, 60754), (370, 37766), (460, 30377), (740, 18883), (821, 17020), (851, 16420), (1642, 8510), (1702, 8210), (3284, 4255), (3404, 4105)]