42556780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17881}}^1$

素因数の和:17914

約数の個数: 48

約数和(自身を含む): 108150336

約数和(自身を除く): 65593556

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 17881, 35762, 71524, 89405, 125167, 178810, 250334, 303977, 357620, 500668, 607954, 625835, 1215908, 1251670, 1519885, 2127839, 2503340, 3039770, 4255678, 6079540, 8511356, 10639195, 21278390, 42556780]

約数ペア:

[(1, 42556780), (2, 21278390), (4, 10639195), (5, 8511356), (7, 6079540), (10, 4255678), (14, 3039770), (17, 2503340), (20, 2127839), (28, 1519885), (34, 1251670), (35, 1215908), (68, 625835), (70, 607954), (85, 500668), (119, 357620), (140, 303977), (170, 250334), (238, 178810), (340, 125167), (476, 89405), (595, 71524), (1190, 35762), (2380, 17881)]