4718980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{911}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 11644416

約数和(自身を除く): 6925436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 911, 1036, 1295, 1822, 2590, 3644, 4555, 5180, 6377, 9110, 12754, 18220, 25508, 31885, 33707, 63770, 67414, 127540, 134828, 168535, 235949, 337070, 471898, 674140, 943796, 1179745, 2359490, 4718980]

約数ペア:

[(1, 4718980), (2, 2359490), (4, 1179745), (5, 943796), (7, 674140), (10, 471898), (14, 337070), (20, 235949), (28, 168535), (35, 134828), (37, 127540), (70, 67414), (74, 63770), (140, 33707), (148, 31885), (185, 25508), (259, 18220), (370, 12754), (518, 9110), (740, 6377), (911, 5180), (1036, 4555), (1295, 3644), (1822, 2590)]