90561940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{17483}}^1$

素因数の和:17536

約数の個数: 48

約数和(自身を含む): 223235712

約数和(自身を除く): 132673772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 17483, 34966, 69932, 87415, 122381, 174830, 244762, 349660, 489524, 611905, 646871, 1223810, 1293742, 2447620, 2587484, 3234355, 4528097, 6468710, 9056194, 12937420, 18112388, 22640485, 45280970, 90561940]

約数ペア:

[(1, 90561940), (2, 45280970), (4, 22640485), (5, 18112388), (7, 12937420), (10, 9056194), (14, 6468710), (20, 4528097), (28, 3234355), (35, 2587484), (37, 2447620), (70, 1293742), (74, 1223810), (140, 646871), (148, 611905), (185, 489524), (259, 349660), (370, 244762), (518, 174830), (740, 122381), (1036, 87415), (1295, 69932), (2590, 34966), (5180, 17483)]