28128230620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1\times {\mathrm{4591}}^1$

素因数の和:5123

約数の個数: 96

約数和(自身を含む): 68320143360

約数和(自身を除く): 40191912740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 409, 428, 535, 749, 818, 1070, 1498, 1636, 2045, 2140, 2863, 2996, 3745, 4090, 4591, 5726, 7490, 8180, 9182, 11452, 14315, 14980, 18364, 22955, 28630, 32137, 43763, 45910, 57260, 64274, 87526, 91820, 128548, 160685, 175052, 218815, 306341, 321370, 437630, 491237, 612682, 642740, 875260, 982474, 1225364, 1531705, 1877719, 1964948, 2456185, 3063410, 3438659, 3755438, 4912370, 6126820, 6877318, 7510876, 9388595, 9824740, 13144033, 13754636, 17193295, 18777190, 26288066, 34386590, 37554380, 52576132, 65720165, 68773180, 131440330, 200915933, 262880660, 401831866, 803663732, 1004579665, 1406411531, 2009159330, 2812823062, 4018318660, 5625646124, 7032057655, 14064115310, 28128230620]

約数ペア:

[(1, 28128230620), (2, 14064115310), (4, 7032057655), (5, 5625646124), (7, 4018318660), (10, 2812823062), (14, 2009159330), (20, 1406411531), (28, 1004579665), (35, 803663732), (70, 401831866), (107, 262880660), (140, 200915933), (214, 131440330), (409, 68773180), (428, 65720165), (535, 52576132), (749, 37554380), (818, 34386590), (1070, 26288066), (1498, 18777190), (1636, 17193295), (2045, 13754636), (2140, 13144033), (2863, 9824740), (2996, 9388595), (3745, 7510876), (4090, 6877318), (4591, 6126820), (5726, 4912370), (7490, 3755438), (8180, 3438659), (9182, 3063410), (11452, 2456185), (14315, 1964948), (14980, 1877719), (18364, 1531705), (22955, 1225364), (28630, 982474), (32137, 875260), (43763, 642740), (45910, 612682), (57260, 491237), (64274, 437630), (87526, 321370), (91820, 306341), (128548, 218815), (160685, 175052)]