726491380

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{134039}}^1$

素因数の和:134319

約数の個数: 24

約数和(自身を含む): 1531272960

約数和(自身を除く): 804781580

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 134039, 268078, 536156, 670195, 1340390, 2680780, 36324569, 72649138, 145298276, 181622845, 363245690, 726491380]

約数ペア:

[(1, 726491380), (2, 363245690), (4, 181622845), (5, 145298276), (10, 72649138), (20, 36324569), (271, 2680780), (542, 1340390), (1084, 670195), (1355, 536156), (2710, 268078), (5420, 134039)]