71082760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{253867}}^1$

素因数の和:253885

約数の個数: 32

約数和(自身を含む): 182784960

約数和(自身を除く): 111702200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 253867, 507734, 1015468, 1269335, 1777069, 2030936, 2538670, 3554138, 5077340, 7108276, 8885345, 10154680, 14216552, 17770690, 35541380, 71082760]

約数ペア:

[(1, 71082760), (2, 35541380), (4, 17770690), (5, 14216552), (7, 10154680), (8, 8885345), (10, 7108276), (14, 5077340), (20, 3554138), (28, 2538670), (35, 2030936), (40, 1777069), (56, 1269335), (70, 1015468), (140, 507734), (280, 253867)]