216528760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{773317}}^1$

素因数の和:773335

約数の個数: 32

約数和(自身を含む): 556788960

約数和(自身を除く): 340260200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 773317, 1546634, 3093268, 3866585, 5413219, 6186536, 7733170, 10826438, 15466340, 21652876, 27066095, 30932680, 43305752, 54132190, 108264380, 216528760]

約数ペア:

[(1, 216528760), (2, 108264380), (4, 54132190), (5, 43305752), (7, 30932680), (8, 27066095), (10, 21652876), (14, 15466340), (20, 10826438), (28, 7733170), (35, 6186536), (40, 5413219), (56, 3866585), (70, 3093268), (140, 1546634), (280, 773317)]