219770960

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 522633216

約数和(自身を除く): 302862256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 127, 194, 223, 254, 388, 446, 485, 508, 635, 776, 892, 970, 1016, 1115, 1270, 1552, 1784, 1940, 2032, 2230, 2540, 3568, 3880, 4460, 5080, 7760, 8920, 10160, 12319, 17840, 21631, 24638, 28321, 43262, 49276, 56642, 61595, 86524, 98552, 108155, 113284, 123190, 141605, 173048, 197104, 216310, 226568, 246380, 283210, 346096, 432620, 453136, 492760, 566420, 865240, 985520, 1132840, 1730480, 2265680, 2747137, 5494274, 10988548, 13735685, 21977096, 27471370, 43954192, 54942740, 109885480, 219770960]

約数ペア:

[(1, 219770960), (2, 109885480), (4, 54942740), (5, 43954192), (8, 27471370), (10, 21977096), (16, 13735685), (20, 10988548), (40, 5494274), (80, 2747137), (97, 2265680), (127, 1730480), (194, 1132840), (223, 985520), (254, 865240), (388, 566420), (446, 492760), (485, 453136), (508, 432620), (635, 346096), (776, 283210), (892, 246380), (970, 226568), (1016, 216310), (1115, 197104), (1270, 173048), (1552, 141605), (1784, 123190), (1940, 113284), (2032, 108155), (2230, 98552), (2540, 86524), (3568, 61595), (3880, 56642), (4460, 49276), (5080, 43262), (7760, 28321), (8920, 24638), (10160, 21631), (12319, 17840)]