4220720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{7537}}^1$

素因数の和:7557

約数の個数: 40

約数和(自身を含む): 11216544

約数和(自身を除く): 6995824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 7537, 15074, 30148, 37685, 52759, 60296, 75370, 105518, 120592, 150740, 211036, 263795, 301480, 422072, 527590, 602960, 844144, 1055180, 2110360, 4220720]

約数ペア:

[(1, 4220720), (2, 2110360), (4, 1055180), (5, 844144), (7, 602960), (8, 527590), (10, 422072), (14, 301480), (16, 263795), (20, 211036), (28, 150740), (35, 120592), (40, 105518), (56, 75370), (70, 60296), (80, 52759), (112, 37685), (140, 30148), (280, 15074), (560, 7537)]