139608820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3863}}^1$

素因数の和:4024

約数の個数: 48

約数和(自身を含む): 318084480

約数和(自身を除く): 178475660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3614, 3863, 7228, 7726, 9035, 15452, 18070, 19315, 36140, 38630, 50219, 77260, 100438, 200876, 251095, 502190, 536957, 1004380, 1073914, 2147828, 2684785, 5369570, 6980441, 10739140, 13960882, 27921764, 34902205, 69804410, 139608820]

約数ペア:

[(1, 139608820), (2, 69804410), (4, 34902205), (5, 27921764), (10, 13960882), (13, 10739140), (20, 6980441), (26, 5369570), (52, 2684785), (65, 2147828), (130, 1073914), (139, 1004380), (260, 536957), (278, 502190), (556, 251095), (695, 200876), (1390, 100438), (1807, 77260), (2780, 50219), (3614, 38630), (3863, 36140), (7228, 19315), (7726, 18070), (9035, 15452)]