30533860

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{4451}}^1$

素因数の和:4481

約数の個数: 48

約数和(自身を含む): 74793600

約数和(自身を除く): 44259740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 4451, 6860, 8902, 17804, 22255, 31157, 44510, 62314, 89020, 124628, 155785, 218099, 311570, 436198, 623140, 872396, 1090495, 1526693, 2180990, 3053386, 4361980, 6106772, 7633465, 15266930, 30533860]

約数ペア:

[(1, 30533860), (2, 15266930), (4, 7633465), (5, 6106772), (7, 4361980), (10, 3053386), (14, 2180990), (20, 1526693), (28, 1090495), (35, 872396), (49, 623140), (70, 436198), (98, 311570), (140, 218099), (196, 155785), (245, 124628), (343, 89020), (490, 62314), (686, 44510), (980, 31157), (1372, 22255), (1715, 17804), (3430, 8902), (4451, 6860)]