7220150

素因数分解:

$2^1\times 5^2\times 7^3\times {\mathrm{421}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 15698400

約数和(自身を除く): 8478250

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 343, 350, 421, 490, 686, 842, 1225, 1715, 2105, 2450, 2947, 3430, 4210, 5894, 8575, 10525, 14735, 17150, 20629, 21050, 29470, 41258, 73675, 103145, 144403, 147350, 206290, 288806, 515725, 722015, 1031450, 1444030, 3610075, 7220150]

約数ペア:

[(1, 7220150), (2, 3610075), (5, 1444030), (7, 1031450), (10, 722015), (14, 515725), (25, 288806), (35, 206290), (49, 147350), (50, 144403), (70, 103145), (98, 73675), (175, 41258), (245, 29470), (343, 21050), (350, 20629), (421, 17150), (490, 14735), (686, 10525), (842, 8575), (1225, 5894), (1715, 4210), (2105, 3430), (2450, 2947)]