2681770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:455

約数の個数: 48

約数和(自身を含む): 6061608

約数和(自身を除く): 3379838

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 421, 455, 490, 637, 842, 910, 1274, 2105, 2947, 3185, 4210, 5473, 5894, 6370, 10946, 14735, 20629, 27365, 29470, 38311, 41258, 54730, 76622, 103145, 191555, 206290, 268177, 383110, 536354, 1340885, 2681770]

約数ペア:

[(1, 2681770), (2, 1340885), (5, 536354), (7, 383110), (10, 268177), (13, 206290), (14, 191555), (26, 103145), (35, 76622), (49, 54730), (65, 41258), (70, 38311), (91, 29470), (98, 27365), (130, 20629), (182, 14735), (245, 10946), (421, 6370), (455, 5894), (490, 5473), (637, 4210), (842, 3185), (910, 2947), (1274, 2105)]