218977460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{5167}}^1$

素因数の和:5352

約数の個数: 48

約数和(自身を含む): 498360576

約数和(自身を除く): 279383116

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 260, 326, 652, 815, 1630, 2119, 3260, 4238, 5167, 8476, 10334, 10595, 20668, 21190, 25835, 42380, 51670, 67171, 103340, 134342, 268684, 335855, 671710, 842221, 1343420, 1684442, 3368884, 4211105, 8422210, 10948873, 16844420, 21897746, 43795492, 54744365, 109488730, 218977460]

約数ペア:

[(1, 218977460), (2, 109488730), (4, 54744365), (5, 43795492), (10, 21897746), (13, 16844420), (20, 10948873), (26, 8422210), (52, 4211105), (65, 3368884), (130, 1684442), (163, 1343420), (260, 842221), (326, 671710), (652, 335855), (815, 268684), (1630, 134342), (2119, 103340), (3260, 67171), (4238, 51670), (5167, 42380), (8476, 25835), (10334, 21190), (10595, 20668)]