87400780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4861}}^1$

素因数の和:4930

約数の個数: 48

約数和(自身を含む): 196035840

約数和(自身を除く): 108635060

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 4495, 4861, 8990, 9722, 17980, 19444, 24305, 48610, 97220, 140969, 150691, 281938, 301382, 563876, 602764, 704845, 753455, 1409690, 1506910, 2819380, 3013820, 4370039, 8740078, 17480156, 21850195, 43700390, 87400780]

約数ペア:

[(1, 87400780), (2, 43700390), (4, 21850195), (5, 17480156), (10, 8740078), (20, 4370039), (29, 3013820), (31, 2819380), (58, 1506910), (62, 1409690), (116, 753455), (124, 704845), (145, 602764), (155, 563876), (290, 301382), (310, 281938), (580, 150691), (620, 140969), (899, 97220), (1798, 48610), (3596, 24305), (4495, 19444), (4861, 17980), (8990, 9722)]