200585420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{204679}}^1$

素因数の和:204702

約数の個数: 36

約数和(自身を含む): 490003920

約数和(自身を除く): 289418500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 204679, 409358, 818716, 1023395, 1432753, 2046790, 2865506, 4093580, 5731012, 7163765, 10029271, 14327530, 20058542, 28655060, 40117084, 50146355, 100292710, 200585420]

約数ペア:

[(1, 200585420), (2, 100292710), (4, 50146355), (5, 40117084), (7, 28655060), (10, 20058542), (14, 14327530), (20, 10029271), (28, 7163765), (35, 5731012), (49, 4093580), (70, 2865506), (98, 2046790), (140, 1432753), (196, 1023395), (245, 818716), (490, 409358), (980, 204679)]