340749020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{1549}}^1$

素因数の和:2222

約数の個数: 48

約数和(自身を含む): 759326400

約数和(自身を除く): 418577380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 647, 1294, 1549, 2588, 3098, 3235, 6196, 6470, 7745, 10999, 12940, 15490, 21998, 26333, 30980, 43996, 52666, 54995, 105332, 109990, 131665, 219980, 263330, 526660, 1002203, 2004406, 4008812, 5011015, 10022030, 17037451, 20044060, 34074902, 68149804, 85187255, 170374510, 340749020]

約数ペア:

[(1, 340749020), (2, 170374510), (4, 85187255), (5, 68149804), (10, 34074902), (17, 20044060), (20, 17037451), (34, 10022030), (68, 5011015), (85, 4008812), (170, 2004406), (340, 1002203), (647, 526660), (1294, 263330), (1549, 219980), (2588, 131665), (3098, 109990), (3235, 105332), (6196, 54995), (6470, 52666), (7745, 43996), (10999, 30980), (12940, 26333), (15490, 21998)]