71020460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{507289}}^1$

素因数の和:507305

約数の個数: 24

約数和(自身を含む): 170449440

約数和(自身を除く): 99428980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 507289, 1014578, 2029156, 2536445, 3551023, 5072890, 7102046, 10145780, 14204092, 17755115, 35510230, 71020460]

約数ペア:

[(1, 71020460), (2, 35510230), (4, 17755115), (5, 14204092), (7, 10145780), (10, 7102046), (14, 5072890), (20, 3551023), (28, 2536445), (35, 2029156), (70, 1014578), (140, 507289)]