779502620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1319}}^1\times {\mathrm{2273}}^1$

素因数の和:3614

約数の個数: 48

約数和(自身を含む): 1764987840

約数和(自身を除く): 985485220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1319, 2273, 2638, 4546, 5276, 6595, 9092, 11365, 13190, 17147, 22730, 26380, 29549, 34294, 45460, 59098, 68588, 85735, 118196, 147745, 171470, 295490, 342940, 590980, 2998087, 5996174, 11992348, 14990435, 29980870, 38975131, 59961740, 77950262, 155900524, 194875655, 389751310, 779502620]

約数ペア:

[(1, 779502620), (2, 389751310), (4, 194875655), (5, 155900524), (10, 77950262), (13, 59961740), (20, 38975131), (26, 29980870), (52, 14990435), (65, 11992348), (130, 5996174), (260, 2998087), (1319, 590980), (2273, 342940), (2638, 295490), (4546, 171470), (5276, 147745), (6595, 118196), (9092, 85735), (11365, 68588), (13190, 59098), (17147, 45460), (22730, 34294), (26380, 29549)]