7220990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2399}}^1$

素因数の和:2456

約数の個数: 32

約数和(自身を含む): 15206400

約数和(自身を除く): 7985410

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 2399, 3010, 4798, 11995, 16793, 23990, 33586, 83965, 103157, 167930, 206314, 515785, 722099, 1031570, 1444198, 3610495, 7220990]

約数ペア:

[(1, 7220990), (2, 3610495), (5, 1444198), (7, 1031570), (10, 722099), (14, 515785), (35, 206314), (43, 167930), (70, 103157), (86, 83965), (215, 33586), (301, 23990), (430, 16793), (602, 11995), (1505, 4798), (2399, 3010)]