220550740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2801}}^1$

素因数の和:2968

約数の個数: 48

約数和(自身を含む): 482033664

約数和(自身を除く): 261482924

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 508, 620, 635, 1270, 2540, 2801, 3937, 5602, 7874, 11204, 14005, 15748, 19685, 28010, 39370, 56020, 78740, 86831, 173662, 347324, 355727, 434155, 711454, 868310, 1422908, 1736620, 1778635, 3557270, 7114540, 11027537, 22055074, 44110148, 55137685, 110275370, 220550740]

約数ペア:

[(1, 220550740), (2, 110275370), (4, 55137685), (5, 44110148), (10, 22055074), (20, 11027537), (31, 7114540), (62, 3557270), (124, 1778635), (127, 1736620), (155, 1422908), (254, 868310), (310, 711454), (508, 434155), (620, 355727), (635, 347324), (1270, 173662), (2540, 86831), (2801, 78740), (3937, 56020), (5602, 39370), (7874, 28010), (11204, 19685), (14005, 15748)]