2015799550

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{2851}}^1$

素因数の和:3121

約数の個数: 48

約数和(自身を含む): 3819398400

約数和(自身を除く): 1803598850

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 179, 358, 395, 790, 895, 1790, 1975, 2851, 3950, 4475, 5702, 8950, 14141, 14255, 28282, 28510, 70705, 71275, 141410, 142550, 225229, 353525, 450458, 510329, 707050, 1020658, 1126145, 2252290, 2551645, 5103290, 5630725, 11261450, 12758225, 25516450, 40315991, 80631982, 201579955, 403159910, 1007899775, 2015799550]

約数ペア:

[(1, 2015799550), (2, 1007899775), (5, 403159910), (10, 201579955), (25, 80631982), (50, 40315991), (79, 25516450), (158, 12758225), (179, 11261450), (358, 5630725), (395, 5103290), (790, 2551645), (895, 2252290), (1790, 1126145), (1975, 1020658), (2851, 707050), (3950, 510329), (4475, 450458), (5702, 353525), (8950, 225229), (14141, 142550), (14255, 141410), (28282, 71275), (28510, 70705)]