31495240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{16069}}^1$

素因数の和:16094

約数の個数: 48

約数和(自身を含む): 82439100

約数和(自身を除く): 50943860

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 16069, 32138, 64276, 80345, 112483, 128552, 160690, 224966, 321380, 449932, 562415, 642760, 787381, 899864, 1124830, 1574762, 2249660, 3149524, 3936905, 4499320, 6299048, 7873810, 15747620, 31495240]

約数ペア:

[(1, 31495240), (2, 15747620), (4, 7873810), (5, 6299048), (7, 4499320), (8, 3936905), (10, 3149524), (14, 2249660), (20, 1574762), (28, 1124830), (35, 899864), (40, 787381), (49, 642760), (56, 562415), (70, 449932), (98, 321380), (140, 224966), (196, 160690), (245, 128552), (280, 112483), (392, 80345), (490, 64276), (980, 32138), (1960, 16069)]