148979080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{61057}}^1$

素因数の和:61129

約数の個数: 32

約数和(自身を含む): 340703640

約数和(自身を除く): 191724560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 61057, 122114, 244228, 305285, 488456, 610570, 1221140, 2442280, 3724477, 7448954, 14897908, 18622385, 29795816, 37244770, 74489540, 148979080]

約数ペア:

[(1, 148979080), (2, 74489540), (4, 37244770), (5, 29795816), (8, 18622385), (10, 14897908), (20, 7448954), (40, 3724477), (61, 2442280), (122, 1221140), (244, 610570), (305, 488456), (488, 305285), (610, 244228), (1220, 122114), (2440, 61057)]