81696200

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{21499}}^1$

素因数の和:21534

約数の個数: 48

約数和(自身を含む): 199950000

約数和(自身を除く): 118253800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 21499, 42998, 85996, 107495, 171992, 214990, 408481, 429980, 537475, 816962, 859960, 1074950, 1633924, 2042405, 2149900, 3267848, 4084810, 4299800, 8169620, 10212025, 16339240, 20424050, 40848100, 81696200]

約数ペア:

[(1, 81696200), (2, 40848100), (4, 20424050), (5, 16339240), (8, 10212025), (10, 8169620), (19, 4299800), (20, 4084810), (25, 3267848), (38, 2149900), (40, 2042405), (50, 1633924), (76, 1074950), (95, 859960), (100, 816962), (152, 537475), (190, 429980), (200, 408481), (380, 214990), (475, 171992), (760, 107495), (950, 85996), (1900, 42998), (3800, 21499)]