5228020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 12700800

約数和(自身を除く): 7472780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 349, 428, 535, 698, 749, 1070, 1396, 1498, 1745, 2140, 2443, 2996, 3490, 3745, 4886, 6980, 7490, 9772, 12215, 14980, 24430, 37343, 48860, 74686, 149372, 186715, 261401, 373430, 522802, 746860, 1045604, 1307005, 2614010, 5228020]

約数ペア:

[(1, 5228020), (2, 2614010), (4, 1307005), (5, 1045604), (7, 746860), (10, 522802), (14, 373430), (20, 261401), (28, 186715), (35, 149372), (70, 74686), (107, 48860), (140, 37343), (214, 24430), (349, 14980), (428, 12215), (535, 9772), (698, 7490), (749, 6980), (1070, 4886), (1396, 3745), (1498, 3490), (1745, 2996), (2140, 2443)]