1225371620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{24977}}^1$

素因数の和:25220

約数の個数: 48

約数和(自身を含む): 2819916288

約数和(自身を除く): 1594544668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 223, 446, 892, 1115, 2230, 2453, 4460, 4906, 9812, 12265, 24530, 24977, 49060, 49954, 99908, 124885, 249770, 274747, 499540, 549494, 1098988, 1373735, 2747470, 5494940, 5569871, 11139742, 22279484, 27849355, 55698710, 61268581, 111397420, 122537162, 245074324, 306342905, 612685810, 1225371620]

約数ペア:

[(1, 1225371620), (2, 612685810), (4, 306342905), (5, 245074324), (10, 122537162), (11, 111397420), (20, 61268581), (22, 55698710), (44, 27849355), (55, 22279484), (110, 11139742), (220, 5569871), (223, 5494940), (446, 2747470), (892, 1373735), (1115, 1098988), (2230, 549494), (2453, 499540), (4460, 274747), (4906, 249770), (9812, 124885), (12265, 99908), (24530, 49954), (24977, 49060)]