208049620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{547499}}^1$

素因数の和:547527

約数の個数: 24

約数和(自身を含む): 459900000

約数和(自身を除く): 251850380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 547499, 1094998, 2189996, 2737495, 5474990, 10402481, 10949980, 20804962, 41609924, 52012405, 104024810, 208049620]

約数ペア:

[(1, 208049620), (2, 104024810), (4, 52012405), (5, 41609924), (10, 20804962), (19, 10949980), (20, 10402481), (38, 5474990), (76, 2737495), (95, 2189996), (190, 1094998), (380, 547499)]