71481620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{510583}}^1$

素因数の和:510599

約数の個数: 24

約数和(自身を含む): 171556224

約数和(自身を除く): 100074604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 510583, 1021166, 2042332, 2552915, 3574081, 5105830, 7148162, 10211660, 14296324, 17870405, 35740810, 71481620]

約数ペア:

[(1, 71481620), (2, 35740810), (4, 17870405), (5, 14296324), (7, 10211660), (10, 7148162), (14, 5105830), (20, 3574081), (28, 2552915), (35, 2042332), (70, 1021166), (140, 510583)]