68190620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1291}}^1$

素因数の和:1458

約数の個数: 48

約数和(自身を含む): 151939200

約数和(自身を除く): 83748580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 556, 695, 1291, 1390, 2582, 2641, 2780, 5164, 5282, 6455, 10564, 12910, 13205, 24529, 25820, 26410, 49058, 52820, 98116, 122645, 179449, 245290, 358898, 490580, 717796, 897245, 1794490, 3409531, 3588980, 6819062, 13638124, 17047655, 34095310, 68190620]

約数ペア:

[(1, 68190620), (2, 34095310), (4, 17047655), (5, 13638124), (10, 6819062), (19, 3588980), (20, 3409531), (38, 1794490), (76, 897245), (95, 717796), (139, 490580), (190, 358898), (278, 245290), (380, 179449), (556, 122645), (695, 98116), (1291, 52820), (1390, 49058), (2582, 26410), (2641, 25820), (2780, 24529), (5164, 13205), (5282, 12910), (6455, 10564)]