252020020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{2659}}^1$

素因数の和:3352

約数の個数: 48

約数和(自身を含む): 605969280

約数和(自身を除く): 353949260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 677, 1354, 2659, 2708, 3385, 4739, 5318, 6770, 9478, 10636, 13295, 13540, 18613, 18956, 23695, 26590, 37226, 47390, 53180, 74452, 93065, 94780, 186130, 372260, 1800143, 3600286, 7200572, 9000715, 12601001, 18001430, 25202002, 36002860, 50404004, 63005005, 126010010, 252020020]

約数ペア:

[(1, 252020020), (2, 126010010), (4, 63005005), (5, 50404004), (7, 36002860), (10, 25202002), (14, 18001430), (20, 12601001), (28, 9000715), (35, 7200572), (70, 3600286), (140, 1800143), (677, 372260), (1354, 186130), (2659, 94780), (2708, 93065), (3385, 74452), (4739, 53180), (5318, 47390), (6770, 37226), (9478, 26590), (10636, 23695), (13295, 18956), (13540, 18613)]