4361980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{4451}}^1$

素因数の和:4474

約数の個数: 36

約数和(自身を含む): 10658088

約数和(自身を除く): 6296108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 4451, 8902, 17804, 22255, 31157, 44510, 62314, 89020, 124628, 155785, 218099, 311570, 436198, 623140, 872396, 1090495, 2180990, 4361980]

約数ペア:

[(1, 4361980), (2, 2180990), (4, 1090495), (5, 872396), (7, 623140), (10, 436198), (14, 311570), (20, 218099), (28, 155785), (35, 124628), (49, 89020), (70, 62314), (98, 44510), (140, 31157), (196, 22255), (245, 17804), (490, 8902), (980, 4451)]