500780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{73}}^1$

素因数の和:103

約数の個数: 48

約数和(自身を含む): 1243200

約数和(自身を除く): 742420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 343, 365, 490, 511, 686, 730, 980, 1022, 1372, 1460, 1715, 2044, 2555, 3430, 3577, 5110, 6860, 7154, 10220, 14308, 17885, 25039, 35770, 50078, 71540, 100156, 125195, 250390, 500780]

約数ペア:

[(1, 500780), (2, 250390), (4, 125195), (5, 100156), (7, 71540), (10, 50078), (14, 35770), (20, 25039), (28, 17885), (35, 14308), (49, 10220), (70, 7154), (73, 6860), (98, 5110), (140, 3577), (146, 3430), (196, 2555), (245, 2044), (292, 1715), (343, 1460), (365, 1372), (490, 1022), (511, 980), (686, 730)]