79487660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{883}}^1$

素因数の和:1542

約数の個数: 48

約数和(自身を含む): 191283456

約数和(自身を除く): 111795796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 643, 883, 1286, 1766, 2572, 3215, 3532, 4415, 4501, 6181, 6430, 8830, 9002, 12362, 12860, 17660, 18004, 22505, 24724, 30905, 45010, 61810, 90020, 123620, 567769, 1135538, 2271076, 2838845, 3974383, 5677690, 7948766, 11355380, 15897532, 19871915, 39743830, 79487660]

約数ペア:

[(1, 79487660), (2, 39743830), (4, 19871915), (5, 15897532), (7, 11355380), (10, 7948766), (14, 5677690), (20, 3974383), (28, 2838845), (35, 2271076), (70, 1135538), (140, 567769), (643, 123620), (883, 90020), (1286, 61810), (1766, 45010), (2572, 30905), (3215, 24724), (3532, 22505), (4415, 18004), (4501, 17660), (6181, 12860), (6430, 12362), (8830, 9002)]