78738100

素因数分解:

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

素因数の和:16097

約数の個数: 54

約数和(自身を含む): 198769830

約数和(自身を除く): 120031730

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 16069, 32138, 64276, 80345, 112483, 160690, 224966, 321380, 401725, 449932, 562415, 787381, 803450, 1124830, 1574762, 1606900, 2249660, 2812075, 3149524, 3936905, 5624150, 7873810, 11248300, 15747620, 19684525, 39369050, 78738100]

約数ペア:

[(1, 78738100), (2, 39369050), (4, 19684525), (5, 15747620), (7, 11248300), (10, 7873810), (14, 5624150), (20, 3936905), (25, 3149524), (28, 2812075), (35, 2249660), (49, 1606900), (50, 1574762), (70, 1124830), (98, 803450), (100, 787381), (140, 562415), (175, 449932), (196, 401725), (245, 321380), (350, 224966), (490, 160690), (700, 112483), (980, 80345), (1225, 64276), (2450, 32138), (4900, 16069)]