1985750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{47}}^1$

素因数の和:90

約数の個数: 48

約数和(自身を含む): 4110912

約数和(自身を除く): 2125162

約数列:

[1, 2, 5, 10, 13, 25, 26, 47, 50, 65, 94, 125, 130, 169, 235, 250, 325, 338, 470, 611, 650, 845, 1175, 1222, 1625, 1690, 2350, 3055, 3250, 4225, 5875, 6110, 7943, 8450, 11750, 15275, 15886, 21125, 30550, 39715, 42250, 76375, 79430, 152750, 198575, 397150, 992875, 1985750]

約数ペア:

[(1, 1985750), (2, 992875), (5, 397150), (10, 198575), (13, 152750), (25, 79430), (26, 76375), (47, 42250), (50, 39715), (65, 30550), (94, 21125), (125, 15886), (130, 15275), (169, 11750), (235, 8450), (250, 7943), (325, 6110), (338, 5875), (470, 4225), (611, 3250), (650, 3055), (845, 2350), (1175, 1690), (1222, 1625)]