7020020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1223}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 17273088

約数和(自身を除く): 10253068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1223, 1435, 2446, 2870, 4892, 5740, 6115, 8561, 12230, 17122, 24460, 34244, 42805, 50143, 85610, 100286, 171220, 200572, 250715, 351001, 501430, 702002, 1002860, 1404004, 1755005, 3510010, 7020020]

約数ペア:

[(1, 7020020), (2, 3510010), (4, 1755005), (5, 1404004), (7, 1002860), (10, 702002), (14, 501430), (20, 351001), (28, 250715), (35, 200572), (41, 171220), (70, 100286), (82, 85610), (140, 50143), (164, 42805), (205, 34244), (287, 24460), (410, 17122), (574, 12230), (820, 8561), (1148, 6115), (1223, 5740), (1435, 4892), (2446, 2870)]