53280220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{883}}^1$

素因数の和:1330

約数の個数: 48

約数和(自身を含む): 128314368

約数和(自身を除く): 75034148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 431, 862, 883, 1724, 1766, 2155, 3017, 3532, 4310, 4415, 6034, 6181, 8620, 8830, 12068, 12362, 15085, 17660, 24724, 30170, 30905, 60340, 61810, 123620, 380573, 761146, 1522292, 1902865, 2664011, 3805730, 5328022, 7611460, 10656044, 13320055, 26640110, 53280220]

約数ペア:

[(1, 53280220), (2, 26640110), (4, 13320055), (5, 10656044), (7, 7611460), (10, 5328022), (14, 3805730), (20, 2664011), (28, 1902865), (35, 1522292), (70, 761146), (140, 380573), (431, 123620), (862, 61810), (883, 60340), (1724, 30905), (1766, 30170), (2155, 24724), (3017, 17660), (3532, 15085), (4310, 12362), (4415, 12068), (6034, 8830), (6181, 8620)]