154442680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{551581}}^1$

素因数の和:551599

約数の個数: 32

約数和(自身を含む): 397139040

約数和(自身を除く): 242696360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 551581, 1103162, 2206324, 2757905, 3861067, 4412648, 5515810, 7722134, 11031620, 15444268, 19305335, 22063240, 30888536, 38610670, 77221340, 154442680]

約数ペア:

[(1, 154442680), (2, 77221340), (4, 38610670), (5, 30888536), (7, 22063240), (8, 19305335), (10, 15444268), (14, 11031620), (20, 7722134), (28, 5515810), (35, 4412648), (40, 3861067), (56, 2757905), (70, 2206324), (140, 1103162), (280, 551581)]