90617380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15787}}^1$

素因数の和:15844

約数の個数: 48

約数和(自身を含む): 222800256

約数和(自身を除く): 132182876

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, 15787, 31574, 63148, 78935, 110509, 157870, 221018, 315740, 442036, 552545, 647267, 1105090, 1294534, 2210180, 2589068, 3236335, 4530869, 6472670, 9061738, 12945340, 18123476, 22654345, 45308690, 90617380]

約数ペア:

[(1, 90617380), (2, 45308690), (4, 22654345), (5, 18123476), (7, 12945340), (10, 9061738), (14, 6472670), (20, 4530869), (28, 3236335), (35, 2589068), (41, 2210180), (70, 1294534), (82, 1105090), (140, 647267), (164, 552545), (205, 442036), (287, 315740), (410, 221018), (574, 157870), (820, 110509), (1148, 78935), (1435, 63148), (2870, 31574), (5740, 15787)]