129646760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{190657}}^1$

素因数の和:190685

約数の個数: 32

約数和(自身を含む): 308865960

約数和(自身を除く): 179219200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 190657, 381314, 762628, 953285, 1525256, 1906570, 3241169, 3813140, 6482338, 7626280, 12964676, 16205845, 25929352, 32411690, 64823380, 129646760]

約数ペア:

[(1, 129646760), (2, 64823380), (4, 32411690), (5, 25929352), (8, 16205845), (10, 12964676), (17, 7626280), (20, 6482338), (34, 3813140), (40, 3241169), (68, 1906570), (85, 1525256), (136, 953285), (170, 762628), (340, 381314), (680, 190657)]