128260570

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{683}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 234912960

約数和(自身を除く): 106652390

約数列:

[1, 2, 5, 10, 89, 178, 211, 422, 445, 683, 890, 1055, 1366, 2110, 3415, 6830, 18779, 37558, 60787, 93895, 121574, 144113, 187790, 288226, 303935, 607870, 720565, 1441130, 12826057, 25652114, 64130285, 128260570]

約数ペア:

[(1, 128260570), (2, 64130285), (5, 25652114), (10, 12826057), (89, 1441130), (178, 720565), (211, 607870), (422, 303935), (445, 288226), (683, 187790), (890, 144113), (1055, 121574), (1366, 93895), (2110, 60787), (3415, 37558), (6830, 18779)]