870580

素因数分解:

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

素因数の和:136

約数の個数: 48

約数和(自身を含む): 2016000

約数和(自身を除く): 1145420

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 79, 95, 116, 145, 158, 190, 290, 316, 380, 395, 551, 580, 790, 1102, 1501, 1580, 2204, 2291, 2755, 3002, 4582, 5510, 6004, 7505, 9164, 11020, 11455, 15010, 22910, 30020, 43529, 45820, 87058, 174116, 217645, 435290, 870580]

約数ペア:

[(1, 870580), (2, 435290), (4, 217645), (5, 174116), (10, 87058), (19, 45820), (20, 43529), (29, 30020), (38, 22910), (58, 15010), (76, 11455), (79, 11020), (95, 9164), (116, 7505), (145, 6004), (158, 5510), (190, 4582), (290, 3002), (316, 2755), (380, 2291), (395, 2204), (551, 1580), (580, 1501), (790, 1102)]