2010078140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{305483}}^1$

素因数の和:305546

約数の個数: 48

約数和(自身を含む): 4926845952

約数和(自身を除く): 2916767812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 305483, 610966, 1221932, 1527415, 2138381, 3054830, 4276762, 6109660, 8553524, 10691905, 14357701, 21383810, 28715402, 42767620, 57430804, 71788505, 100503907, 143577010, 201007814, 287154020, 402015628, 502519535, 1005039070, 2010078140]

約数ペア:

[(1, 2010078140), (2, 1005039070), (4, 502519535), (5, 402015628), (7, 287154020), (10, 201007814), (14, 143577010), (20, 100503907), (28, 71788505), (35, 57430804), (47, 42767620), (70, 28715402), (94, 21383810), (140, 14357701), (188, 10691905), (235, 8553524), (329, 6109660), (470, 4276762), (658, 3054830), (940, 2138381), (1316, 1527415), (1645, 1221932), (3290, 610966), (6580, 305483)]