313996900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{64081}}^1$

素因数の和:64109

約数の個数: 54

約数和(自身を含む): 792630258

約数和(自身を除く): 478633358

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, 64081, 128162, 256324, 320405, 448567, 640810, 897134, 1281620, 1602025, 1794268, 2242835, 3139969, 3204050, 4485670, 6279938, 6408100, 8971340, 11214175, 12559876, 15699845, 22428350, 31399690, 44856700, 62799380, 78499225, 156998450, 313996900]

約数ペア:

[(1, 313996900), (2, 156998450), (4, 78499225), (5, 62799380), (7, 44856700), (10, 31399690), (14, 22428350), (20, 15699845), (25, 12559876), (28, 11214175), (35, 8971340), (49, 6408100), (50, 6279938), (70, 4485670), (98, 3204050), (100, 3139969), (140, 2242835), (175, 1794268), (196, 1602025), (245, 1281620), (350, 897134), (490, 640810), (700, 448567), (980, 320405), (1225, 256324), (2450, 128162), (4900, 64081)]