282937240

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{28181}}^1$

素因数の和:28443

約数の個数: 32

約数和(自身を含む): 639167760

約数和(自身を除く): 356230520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 28181, 56362, 112724, 140905, 225448, 281810, 563620, 1127240, 7073431, 14146862, 28293724, 35367155, 56587448, 70734310, 141468620, 282937240]

約数ペア:

[(1, 282937240), (2, 141468620), (4, 70734310), (5, 56587448), (8, 35367155), (10, 28293724), (20, 14146862), (40, 7073431), (251, 1127240), (502, 563620), (1004, 281810), (1255, 225448), (2008, 140905), (2510, 112724), (5020, 56362), (10040, 28181)]