129573640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{66109}}^1$

素因数の和:66134

約数の個数: 48

約数和(自身を含む): 339144300

約数和(自身を除く): 209570660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 66109, 132218, 264436, 330545, 462763, 528872, 661090, 925526, 1322180, 1851052, 2313815, 2644360, 3239341, 3702104, 4627630, 6478682, 9255260, 12957364, 16196705, 18510520, 25914728, 32393410, 64786820, 129573640]

約数ペア:

[(1, 129573640), (2, 64786820), (4, 32393410), (5, 25914728), (7, 18510520), (8, 16196705), (10, 12957364), (14, 9255260), (20, 6478682), (28, 4627630), (35, 3702104), (40, 3239341), (49, 2644360), (56, 2313815), (70, 1851052), (98, 1322180), (140, 925526), (196, 661090), (245, 528872), (280, 462763), (392, 330545), (490, 264436), (980, 132218), (1960, 66109)]