86219980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{55987}}^1$

素因数の和:56014

約数の個数: 48

約数和(自身を含む): 225743616

約数和(自身を除く): 139523636

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 55987, 111974, 223948, 279935, 391909, 559870, 615857, 783818, 1119740, 1231714, 1567636, 1959545, 2463428, 3079285, 3919090, 4310999, 6158570, 7838180, 8621998, 12317140, 17243996, 21554995, 43109990, 86219980]

約数ペア:

[(1, 86219980), (2, 43109990), (4, 21554995), (5, 17243996), (7, 12317140), (10, 8621998), (11, 7838180), (14, 6158570), (20, 4310999), (22, 3919090), (28, 3079285), (35, 2463428), (44, 1959545), (55, 1567636), (70, 1231714), (77, 1119740), (110, 783818), (140, 615857), (154, 559870), (220, 391909), (308, 279935), (385, 223948), (770, 111974), (1540, 55987)]