201385420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{67579}}^1$

素因数の和:67737

約数の個数: 24

約数和(自身を含む): 425754000

約数和(自身を除く): 224368580

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 67579, 135158, 270316, 337895, 675790, 1351580, 10069271, 20138542, 40277084, 50346355, 100692710, 201385420]

約数ペア:

[(1, 201385420), (2, 100692710), (4, 50346355), (5, 40277084), (10, 20138542), (20, 10069271), (149, 1351580), (298, 675790), (596, 337895), (745, 270316), (1490, 135158), (2980, 67579)]