621567380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{108287}}^1$

素因数の和:108344

約数の個数: 48

約数和(自身を含む): 1528160256

約数和(自身を除く): 906592876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 108287, 216574, 433148, 541435, 758009, 1082870, 1516018, 2165740, 3032036, 3790045, 4439767, 7580090, 8879534, 15160180, 17759068, 22198835, 31078369, 44397670, 62156738, 88795340, 124313476, 155391845, 310783690, 621567380]

約数ペア:

[(1, 621567380), (2, 310783690), (4, 155391845), (5, 124313476), (7, 88795340), (10, 62156738), (14, 44397670), (20, 31078369), (28, 22198835), (35, 17759068), (41, 15160180), (70, 8879534), (82, 7580090), (140, 4439767), (164, 3790045), (205, 3032036), (287, 2165740), (410, 1516018), (574, 1082870), (820, 758009), (1148, 541435), (1435, 433148), (2870, 216574), (5740, 108287)]