200680540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 430012800

約数和(自身を除く): 229332260

約数列:

[1, 2, 4, 5, 10, 20, 79, 157, 158, 314, 316, 395, 628, 785, 790, 809, 1570, 1580, 1618, 3140, 3236, 4045, 8090, 12403, 16180, 24806, 49612, 62015, 63911, 124030, 127013, 127822, 248060, 254026, 255644, 319555, 508052, 635065, 639110, 1270130, 1278220, 2540260, 10034027, 20068054, 40136108, 50170135, 100340270, 200680540]

約数ペア:

[(1, 200680540), (2, 100340270), (4, 50170135), (5, 40136108), (10, 20068054), (20, 10034027), (79, 2540260), (157, 1278220), (158, 1270130), (314, 639110), (316, 635065), (395, 508052), (628, 319555), (785, 255644), (790, 254026), (809, 248060), (1570, 127822), (1580, 127013), (1618, 124030), (3140, 63911), (3236, 62015), (4045, 49612), (8090, 24806), (12403, 16180)]