142712620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419743}}^1$

素因数の和:419769

約数の個数: 24

約数和(自身を含む): 317326464

約数和(自身を除く): 174613844

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 419743, 839486, 1678972, 2098715, 4197430, 7135631, 8394860, 14271262, 28542524, 35678155, 71356310, 142712620]

約数ペア:

[(1, 142712620), (2, 71356310), (4, 35678155), (5, 28542524), (10, 14271262), (17, 8394860), (20, 7135631), (34, 4197430), (68, 2098715), (85, 1678972), (170, 839486), (340, 419743)]