28637000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{4091}}^1$

素因数の和:4119

約数の個数: 64

約数和(自身を含む): 76602240

約数和(自身を除く): 47965240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 4091, 7000, 8182, 16364, 20455, 28637, 32728, 40910, 57274, 81820, 102275, 114548, 143185, 163640, 204550, 229096, 286370, 409100, 511375, 572740, 715925, 818200, 1022750, 1145480, 1431850, 2045500, 2863700, 3579625, 4091000, 5727400, 7159250, 14318500, 28637000]

約数ペア:

[(1, 28637000), (2, 14318500), (4, 7159250), (5, 5727400), (7, 4091000), (8, 3579625), (10, 2863700), (14, 2045500), (20, 1431850), (25, 1145480), (28, 1022750), (35, 818200), (40, 715925), (50, 572740), (56, 511375), (70, 409100), (100, 286370), (125, 229096), (140, 204550), (175, 163640), (200, 143185), (250, 114548), (280, 102275), (350, 81820), (500, 57274), (700, 40910), (875, 32728), (1000, 28637), (1400, 20455), (1750, 16364), (3500, 8182), (4091, 7000)]