68741620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{9521}}^1$

素因数の和:9568

約数の個数: 36

約数和(自身を含む): 152371044

約数和(自身を除く): 83629424

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 9521, 19042, 38084, 47605, 95210, 180899, 190420, 361798, 723596, 904495, 1808990, 3437081, 3617980, 6874162, 13748324, 17185405, 34370810, 68741620]

約数ペア:

[(1, 68741620), (2, 34370810), (4, 17185405), (5, 13748324), (10, 6874162), (19, 3617980), (20, 3437081), (38, 1808990), (76, 904495), (95, 723596), (190, 361798), (361, 190420), (380, 180899), (722, 95210), (1444, 47605), (1805, 38084), (3610, 19042), (7220, 9521)]