1028020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1049}}^1$

素因数の和:1072

約数の個数: 36

約数和(自身を含む): 2513700

約数和(自身を除く): 1485680

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1049, 2098, 4196, 5245, 7343, 10490, 14686, 20980, 29372, 36715, 51401, 73430, 102802, 146860, 205604, 257005, 514010, 1028020]

約数ペア:

[(1, 1028020), (2, 514010), (4, 257005), (5, 205604), (7, 146860), (10, 102802), (14, 73430), (20, 51401), (28, 36715), (35, 29372), (49, 20980), (70, 14686), (98, 10490), (140, 7343), (196, 5245), (245, 4196), (490, 2098), (980, 1049)]