200908820

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{29287}}^1$

素因数の和:29317

約数の個数: 48

約数和(自身を含む): 492038400

約数和(自身を除く): 291129580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 29287, 58574, 117148, 146435, 205009, 292870, 410018, 585740, 820036, 1025045, 1435063, 2050090, 2870126, 4100180, 5740252, 7175315, 10045441, 14350630, 20090882, 28701260, 40181764, 50227205, 100454410, 200908820]

約数ペア:

[(1, 200908820), (2, 100454410), (4, 50227205), (5, 40181764), (7, 28701260), (10, 20090882), (14, 14350630), (20, 10045441), (28, 7175315), (35, 5740252), (49, 4100180), (70, 2870126), (98, 2050090), (140, 1435063), (196, 1025045), (245, 820036), (343, 585740), (490, 410018), (686, 292870), (980, 205009), (1372, 146435), (1715, 117148), (3430, 58574), (6860, 29287)]