11398480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7499}}^1$

素因数の和:7531

約数の個数: 40

約数和(自身を含む): 27900000

約数和(自身を除く): 16501520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 7499, 14998, 29996, 37495, 59992, 74990, 119984, 142481, 149980, 284962, 299960, 569924, 599920, 712405, 1139848, 1424810, 2279696, 2849620, 5699240, 11398480]

約数ペア:

[(1, 11398480), (2, 5699240), (4, 2849620), (5, 2279696), (8, 1424810), (10, 1139848), (16, 712405), (19, 599920), (20, 569924), (38, 299960), (40, 284962), (76, 149980), (80, 142481), (95, 119984), (152, 74990), (190, 59992), (304, 37495), (380, 29996), (760, 14998), (1520, 7499)]