85515580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1619}}^1$

素因数の和:1786

約数の個数: 48

約数和(自身を含む): 190512000

約数和(自身を除く): 104996420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 556, 695, 1390, 1619, 2641, 2780, 3238, 5282, 6476, 8095, 10564, 13205, 16190, 26410, 30761, 32380, 52820, 61522, 123044, 153805, 225041, 307610, 450082, 615220, 900164, 1125205, 2250410, 4275779, 4500820, 8551558, 17103116, 21378895, 42757790, 85515580]

約数ペア:

[(1, 85515580), (2, 42757790), (4, 21378895), (5, 17103116), (10, 8551558), (19, 4500820), (20, 4275779), (38, 2250410), (76, 1125205), (95, 900164), (139, 615220), (190, 450082), (278, 307610), (380, 225041), (556, 153805), (695, 123044), (1390, 61522), (1619, 52820), (2641, 32380), (2780, 30761), (3238, 26410), (5282, 16190), (6476, 13205), (8095, 10564)]