290120740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{159407}}^1$

素因数の和:159436

約数の個数: 48

約数和(自身を含む): 749855232

約数和(自身を除く): 459734492

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 159407, 318814, 637628, 797035, 1115849, 1594070, 2072291, 2231698, 3188140, 4144582, 4463396, 5579245, 8289164, 10361455, 11158490, 14506037, 20722910, 22316980, 29012074, 41445820, 58024148, 72530185, 145060370, 290120740]

約数ペア:

[(1, 290120740), (2, 145060370), (4, 72530185), (5, 58024148), (7, 41445820), (10, 29012074), (13, 22316980), (14, 20722910), (20, 14506037), (26, 11158490), (28, 10361455), (35, 8289164), (52, 5579245), (65, 4463396), (70, 4144582), (91, 3188140), (130, 2231698), (140, 2072291), (182, 1594070), (260, 1115849), (364, 797035), (455, 637628), (910, 318814), (1820, 159407)]