158331320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{565469}}^1$

素因数の和:565487

約数の個数: 32

約数和(自身を含む): 407138400

約数和(自身を除く): 248807080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 565469, 1130938, 2261876, 2827345, 3958283, 4523752, 5654690, 7916566, 11309380, 15833132, 19791415, 22618760, 31666264, 39582830, 79165660, 158331320]

約数ペア:

[(1, 158331320), (2, 79165660), (4, 39582830), (5, 31666264), (7, 22618760), (8, 19791415), (10, 15833132), (14, 11309380), (20, 7916566), (28, 5654690), (35, 4523752), (40, 3958283), (56, 2827345), (70, 2261876), (140, 1130938), (280, 565469)]