814976650

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{229}}^1\times {\mathrm{653}}^1$

素因数の和:1003

約数の個数: 48

約数和(自身を含む): 1538796600

約数和(自身を除く): 723819950

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 229, 458, 545, 653, 1090, 1145, 1306, 2290, 2725, 3265, 5450, 5725, 6530, 11450, 16325, 24961, 32650, 49922, 71177, 124805, 142354, 149537, 249610, 299074, 355885, 624025, 711770, 747685, 1248050, 1495370, 1779425, 3558850, 3738425, 7476850, 16299533, 32599066, 81497665, 162995330, 407488325, 814976650]

約数ペア:

[(1, 814976650), (2, 407488325), (5, 162995330), (10, 81497665), (25, 32599066), (50, 16299533), (109, 7476850), (218, 3738425), (229, 3558850), (458, 1779425), (545, 1495370), (653, 1248050), (1090, 747685), (1145, 711770), (1306, 624025), (2290, 355885), (2725, 299074), (3265, 249610), (5450, 149537), (5725, 142354), (6530, 124805), (11450, 71177), (16325, 49922), (24961, 32650)]