8457890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:483

約数の個数: 48

約数和(自身を含む): 18184824

約数和(自身を除く): 9726934

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 245, 287, 410, 421, 490, 574, 842, 1435, 2009, 2105, 2870, 2947, 4018, 4210, 5894, 10045, 14735, 17261, 20090, 20629, 29470, 34522, 41258, 86305, 103145, 120827, 172610, 206290, 241654, 604135, 845789, 1208270, 1691578, 4228945, 8457890]

約数ペア:

[(1, 8457890), (2, 4228945), (5, 1691578), (7, 1208270), (10, 845789), (14, 604135), (35, 241654), (41, 206290), (49, 172610), (70, 120827), (82, 103145), (98, 86305), (205, 41258), (245, 34522), (287, 29470), (410, 20629), (421, 20090), (490, 17261), (574, 14735), (842, 10045), (1435, 5894), (2009, 4210), (2105, 4018), (2870, 2947)]