2149487620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{414959}}^1$

素因数の和:415012

約数の個数: 48

約数和(自身を含む): 5298209280

約数和(自身を除く): 3148721660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 414959, 829918, 1659836, 2074795, 2904713, 4149590, 5809426, 8299180, 11618852, 14523565, 15353483, 29047130, 30706966, 58094260, 61413932, 76767415, 107474381, 153534830, 214948762, 307069660, 429897524, 537371905, 1074743810, 2149487620]

約数ペア:

[(1, 2149487620), (2, 1074743810), (4, 537371905), (5, 429897524), (7, 307069660), (10, 214948762), (14, 153534830), (20, 107474381), (28, 76767415), (35, 61413932), (37, 58094260), (70, 30706966), (74, 29047130), (140, 15353483), (148, 14523565), (185, 11618852), (259, 8299180), (370, 5809426), (518, 4149590), (740, 2904713), (1036, 2074795), (1295, 1659836), (2590, 829918), (5180, 414959)]