640616110

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{9949}}^1$

素因数の和:10140

約数の個数: 32

約数和(自身を含む): 1186358400

約数和(自身を除く): 545742290

約数列:

[1, 2, 5, 10, 47, 94, 137, 235, 274, 470, 685, 1370, 6439, 9949, 12878, 19898, 32195, 49745, 64390, 99490, 467603, 935206, 1363013, 2338015, 2726026, 4676030, 6815065, 13630130, 64061611, 128123222, 320308055, 640616110]

約数ペア:

[(1, 640616110), (2, 320308055), (5, 128123222), (10, 64061611), (47, 13630130), (94, 6815065), (137, 4676030), (235, 2726026), (274, 2338015), (470, 1363013), (685, 935206), (1370, 467603), (6439, 99490), (9949, 64390), (12878, 49745), (19898, 32195)]