209512770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{162413}}^1$

素因数の和:162466

約数の個数: 32

約数和(自身を含む): 514527552

約数和(自身を除く): 305014782

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 162413, 324826, 487239, 812065, 974478, 1624130, 2436195, 4872390, 6983759, 13967518, 20951277, 34918795, 41902554, 69837590, 104756385, 209512770]

約数ペア:

[(1, 209512770), (2, 104756385), (3, 69837590), (5, 41902554), (6, 34918795), (10, 20951277), (15, 13967518), (30, 6983759), (43, 4872390), (86, 2436195), (129, 1624130), (215, 974478), (258, 812065), (430, 487239), (645, 324826), (1290, 162413)]