89439340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{797}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 195197184

約数和(自身を除く): 105757844

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 181, 310, 362, 620, 724, 797, 905, 1594, 1810, 3188, 3620, 3985, 5611, 7970, 11222, 15940, 22444, 24707, 28055, 49414, 56110, 98828, 112220, 123535, 144257, 247070, 288514, 494140, 577028, 721285, 1442570, 2885140, 4471967, 8943934, 17887868, 22359835, 44719670, 89439340]

約数ペア:

[(1, 89439340), (2, 44719670), (4, 22359835), (5, 17887868), (10, 8943934), (20, 4471967), (31, 2885140), (62, 1442570), (124, 721285), (155, 577028), (181, 494140), (310, 288514), (362, 247070), (620, 144257), (724, 123535), (797, 112220), (905, 98828), (1594, 56110), (1810, 49414), (3188, 28055), (3620, 24707), (3985, 22444), (5611, 15940), (7970, 11222)]