90316660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1949}}^1$

素因数の和:2296

約数の個数: 48

約数和(自身を含む): 217526400

約数和(自身を除く): 127209740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 331, 662, 1324, 1655, 1949, 2317, 3310, 3898, 4634, 6620, 7796, 9268, 9745, 11585, 13643, 19490, 23170, 27286, 38980, 46340, 54572, 68215, 136430, 272860, 645119, 1290238, 2580476, 3225595, 4515833, 6451190, 9031666, 12902380, 18063332, 22579165, 45158330, 90316660]

約数ペア:

[(1, 90316660), (2, 45158330), (4, 22579165), (5, 18063332), (7, 12902380), (10, 9031666), (14, 6451190), (20, 4515833), (28, 3225595), (35, 2580476), (70, 1290238), (140, 645119), (331, 272860), (662, 136430), (1324, 68215), (1655, 54572), (1949, 46340), (2317, 38980), (3310, 27286), (3898, 23170), (4634, 19490), (6620, 13643), (7796, 11585), (9268, 9745)]