418064980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1100171}}^1$

素因数の和:1100199

約数の個数: 24

約数和(自身を含む): 924144480

約数和(自身を除く): 506079500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1100171, 2200342, 4400684, 5500855, 11001710, 20903249, 22003420, 41806498, 83612996, 104516245, 209032490, 418064980]

約数ペア:

[(1, 418064980), (2, 209032490), (4, 104516245), (5, 83612996), (10, 41806498), (19, 22003420), (20, 20903249), (38, 11001710), (76, 5500855), (95, 4400684), (190, 2200342), (380, 1100171)]