2176450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 48

約数和(自身を含む): 4464000

約数和(自身を除く): 2287550

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 79, 95, 145, 158, 190, 290, 395, 475, 551, 725, 790, 950, 1102, 1450, 1501, 1975, 2291, 2755, 3002, 3950, 4582, 5510, 7505, 11455, 13775, 15010, 22910, 27550, 37525, 43529, 57275, 75050, 87058, 114550, 217645, 435290, 1088225, 2176450]

約数ペア:

[(1, 2176450), (2, 1088225), (5, 435290), (10, 217645), (19, 114550), (25, 87058), (29, 75050), (38, 57275), (50, 43529), (58, 37525), (79, 27550), (95, 22910), (145, 15010), (158, 13775), (190, 11455), (290, 7505), (395, 5510), (475, 4582), (551, 3950), (725, 3002), (790, 2755), (950, 2291), (1102, 1975), (1450, 1501)]