1428070390

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1109}}^1\times {\mathrm{2111}}^1$

素因数の和:3288

約数の個数: 32

約数和(自身を含む): 2616261120

約数和(自身を除く): 1188190730

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 1109, 2111, 2218, 4222, 5545, 10555, 11090, 21110, 67649, 128771, 135298, 257542, 338245, 643855, 676490, 1287710, 2341099, 4682198, 11705495, 23410990, 142807039, 285614078, 714035195, 1428070390]

約数ペア:

[(1, 1428070390), (2, 714035195), (5, 285614078), (10, 142807039), (61, 23410990), (122, 11705495), (305, 4682198), (610, 2341099), (1109, 1287710), (2111, 676490), (2218, 643855), (4222, 338245), (5545, 257542), (10555, 135298), (11090, 128771), (21110, 67649)]