4444420

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{619}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 9374400

約数和(自身を除く): 4929980

約数列:

[1, 2, 4, 5, 10, 20, 359, 619, 718, 1238, 1436, 1795, 2476, 3095, 3590, 6190, 7180, 12380, 222221, 444442, 888884, 1111105, 2222210, 4444420]

約数ペア:

[(1, 4444420), (2, 2222210), (4, 1111105), (5, 888884), (10, 444442), (20, 222221), (359, 12380), (619, 7180), (718, 6190), (1238, 3590), (1436, 3095), (1795, 2476)]