68530940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^2\times {\mathrm{643}}^1$

素因数の和:798

約数の個数: 36

約数和(自身を含む): 146140344

約数和(自身を除く): 77609404

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 643, 730, 1286, 1460, 2572, 3215, 5329, 6430, 10658, 12860, 21316, 26645, 46939, 53290, 93878, 106580, 187756, 234695, 469390, 938780, 3426547, 6853094, 13706188, 17132735, 34265470, 68530940]

約数ペア:

[(1, 68530940), (2, 34265470), (4, 17132735), (5, 13706188), (10, 6853094), (20, 3426547), (73, 938780), (146, 469390), (292, 234695), (365, 187756), (643, 106580), (730, 93878), (1286, 53290), (1460, 46939), (2572, 26645), (3215, 21316), (5329, 12860), (6430, 10658)]