87138100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{443}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 217361088

約数和(自身を除く): 130222988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 281, 350, 443, 562, 700, 886, 1124, 1405, 1772, 1967, 2215, 2810, 3101, 3934, 4430, 5620, 6202, 7025, 7868, 8860, 9835, 11075, 12404, 14050, 15505, 19670, 22150, 28100, 31010, 39340, 44300, 49175, 62020, 77525, 98350, 124483, 155050, 196700, 248966, 310100, 497932, 622415, 871381, 1244830, 1742762, 2489660, 3112075, 3485524, 4356905, 6224150, 8713810, 12448300, 17427620, 21784525, 43569050, 87138100]

約数ペア:

[(1, 87138100), (2, 43569050), (4, 21784525), (5, 17427620), (7, 12448300), (10, 8713810), (14, 6224150), (20, 4356905), (25, 3485524), (28, 3112075), (35, 2489660), (50, 1742762), (70, 1244830), (100, 871381), (140, 622415), (175, 497932), (281, 310100), (350, 248966), (443, 196700), (562, 155050), (700, 124483), (886, 98350), (1124, 77525), (1405, 62020), (1772, 49175), (1967, 44300), (2215, 39340), (2810, 31010), (3101, 28100), (3934, 22150), (4430, 19670), (5620, 15505), (6202, 14050), (7025, 12404), (7868, 11075), (8860, 9835)]