9869720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 25704000

約数和(自身を除く): 15834280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 349, 404, 505, 698, 707, 808, 1010, 1396, 1414, 1745, 2020, 2443, 2792, 2828, 3490, 3535, 4040, 4886, 5656, 6980, 7070, 9772, 12215, 13960, 14140, 19544, 24430, 28280, 35249, 48860, 70498, 97720, 140996, 176245, 246743, 281992, 352490, 493486, 704980, 986972, 1233715, 1409960, 1973944, 2467430, 4934860, 9869720]

約数ペア:

[(1, 9869720), (2, 4934860), (4, 2467430), (5, 1973944), (7, 1409960), (8, 1233715), (10, 986972), (14, 704980), (20, 493486), (28, 352490), (35, 281992), (40, 246743), (56, 176245), (70, 140996), (101, 97720), (140, 70498), (202, 48860), (280, 35249), (349, 28280), (404, 24430), (505, 19544), (698, 14140), (707, 13960), (808, 12215), (1010, 9772), (1396, 7070), (1414, 6980), (1745, 5656), (2020, 4886), (2443, 4040), (2792, 3535), (2828, 3490)]