420442928650

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{94481557}}^1$

素因数の和:94481658

約数の個数: 24

約数和(自身を含む): 790810640460

約数和(自身を除く): 370367711810

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 4450, 94481557, 188963114, 472407785, 944815570, 2362038925, 4724077850, 8408858573, 16817717146, 42044292865, 84088585730, 210221464325, 420442928650]

約数ペア:

[(1, 420442928650), (2, 210221464325), (5, 84088585730), (10, 42044292865), (25, 16817717146), (50, 8408858573), (89, 4724077850), (178, 2362038925), (445, 944815570), (890, 472407785), (2225, 188963114), (4450, 94481557)]