421738100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{86069}}^1$

素因数の和:86097

約数の個数: 54

約数和(自身を含む): 1064599830

約数和(自身を除く): 642861730

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, 86069, 172138, 344276, 430345, 602483, 860690, 1204966, 1721380, 2151725, 2409932, 3012415, 4217381, 4303450, 6024830, 8434762, 8606900, 12049660, 15062075, 16869524, 21086905, 30124150, 42173810, 60248300, 84347620, 105434525, 210869050, 421738100]

約数ペア:

[(1, 421738100), (2, 210869050), (4, 105434525), (5, 84347620), (7, 60248300), (10, 42173810), (14, 30124150), (20, 21086905), (25, 16869524), (28, 15062075), (35, 12049660), (49, 8606900), (50, 8434762), (70, 6024830), (98, 4303450), (100, 4217381), (140, 3012415), (175, 2409932), (196, 2151725), (245, 1721380), (350, 1204966), (490, 860690), (700, 602483), (980, 430345), (1225, 344276), (2450, 172138), (4900, 86069)]