86982980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{14449}}^1$

素因数の和:14508

約数の個数: 48

約数和(自身を含む): 213628800

約数和(自身を除く): 126645820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 14449, 28898, 57796, 72245, 101143, 144490, 202286, 288980, 404572, 505715, 621307, 1011430, 1242614, 2022860, 2485228, 3106535, 4349149, 6213070, 8698298, 12426140, 17396596, 21745745, 43491490, 86982980]

約数ペア:

[(1, 86982980), (2, 43491490), (4, 21745745), (5, 17396596), (7, 12426140), (10, 8698298), (14, 6213070), (20, 4349149), (28, 3106535), (35, 2485228), (43, 2022860), (70, 1242614), (86, 1011430), (140, 621307), (172, 505715), (215, 404572), (301, 288980), (430, 202286), (602, 144490), (860, 101143), (1204, 72245), (1505, 57796), (3010, 28898), (6020, 14449)]