74640860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{533149}}^1$

素因数の和:533165

約数の個数: 24

約数和(自身を含む): 179138400

約数和(自身を除く): 104497540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 533149, 1066298, 2132596, 2665745, 3732043, 5331490, 7464086, 10662980, 14928172, 18660215, 37320430, 74640860]

約数ペア:

[(1, 74640860), (2, 37320430), (4, 18660215), (5, 14928172), (7, 10662980), (10, 7464086), (14, 5331490), (20, 3732043), (28, 2665745), (35, 2132596), (70, 1066298), (140, 533149)]