121424780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{148079}}^1$

素因数の和:148129

約数の個数: 24

約数和(自身を含む): 261213120

約数和(自身を除く): 139788340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 148079, 296158, 592316, 740395, 1480790, 2961580, 6071239, 12142478, 24284956, 30356195, 60712390, 121424780]

約数ペア:

[(1, 121424780), (2, 60712390), (4, 30356195), (5, 24284956), (10, 12142478), (20, 6071239), (41, 2961580), (82, 1480790), (164, 740395), (205, 592316), (410, 296158), (820, 148079)]