211030760

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{21019}}^1$

素因数の和:21281

約数の個数: 32

約数和(自身を含む): 476733600

約数和(自身を除く): 265702840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 21019, 42038, 84076, 105095, 168152, 210190, 420380, 840760, 5275769, 10551538, 21103076, 26378845, 42206152, 52757690, 105515380, 211030760]

約数ペア:

[(1, 211030760), (2, 105515380), (4, 52757690), (5, 42206152), (8, 26378845), (10, 21103076), (20, 10551538), (40, 5275769), (251, 840760), (502, 420380), (1004, 210190), (1255, 168152), (2008, 105095), (2510, 84076), (5020, 42038), (10040, 21019)]