28737250

素因数分解:

$2^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{1619}}^1$

素因数の和:1707

約数の個数: 32

約数和(自身を含む): 54587520

約数和(自身を除く): 25850270

約数列:

[1, 2, 5, 10, 25, 50, 71, 125, 142, 250, 355, 710, 1619, 1775, 3238, 3550, 8095, 8875, 16190, 17750, 40475, 80950, 114949, 202375, 229898, 404750, 574745, 1149490, 2873725, 5747450, 14368625, 28737250]

約数ペア:

[(1, 28737250), (2, 14368625), (5, 5747450), (10, 2873725), (25, 1149490), (50, 574745), (71, 404750), (125, 229898), (142, 202375), (250, 114949), (355, 80950), (710, 40475), (1619, 17750), (1775, 16190), (3238, 8875), (3550, 8095)]