83874980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{971}}^1$

素因数の和:1604

約数の個数: 48

約数和(自身を含む): 201833856

約数和(自身を除く): 117958876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 617, 971, 1234, 1942, 2468, 3085, 3884, 4319, 4855, 6170, 6797, 8638, 9710, 12340, 13594, 17276, 19420, 21595, 27188, 33985, 43190, 67970, 86380, 135940, 599107, 1198214, 2396428, 2995535, 4193749, 5991070, 8387498, 11982140, 16774996, 20968745, 41937490, 83874980]

約数ペア:

[(1, 83874980), (2, 41937490), (4, 20968745), (5, 16774996), (7, 11982140), (10, 8387498), (14, 5991070), (20, 4193749), (28, 2995535), (35, 2396428), (70, 1198214), (140, 599107), (617, 135940), (971, 86380), (1234, 67970), (1942, 43190), (2468, 33985), (3085, 27188), (3884, 21595), (4319, 19420), (4855, 17276), (6170, 13594), (6797, 12340), (8638, 9710)]