1915550

素因数分解:

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

素因数の和:453

約数の個数: 48

約数和(自身を含む): 4395552

約数和(自身を除く): 2480002

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 421, 455, 650, 842, 910, 2105, 2275, 2947, 4210, 4550, 5473, 5894, 10525, 10946, 14735, 21050, 27365, 29470, 38311, 54730, 73675, 76622, 136825, 147350, 191555, 273650, 383110, 957775, 1915550]

約数ペア:

[(1, 1915550), (2, 957775), (5, 383110), (7, 273650), (10, 191555), (13, 147350), (14, 136825), (25, 76622), (26, 73675), (35, 54730), (50, 38311), (65, 29470), (70, 27365), (91, 21050), (130, 14735), (175, 10946), (182, 10525), (325, 5894), (350, 5473), (421, 4550), (455, 4210), (650, 2947), (842, 2275), (910, 2105)]