128092020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{304981}}^1$

素因数の和:305000

約数の個数: 48

約数和(自身を含む): 409895808

約数和(自身を除く): 281803788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 304981, 609962, 914943, 1219924, 1524905, 1829886, 2134867, 3049810, 3659772, 4269734, 4574715, 6099620, 6404601, 8539468, 9149430, 10674335, 12809202, 18298860, 21348670, 25618404, 32023005, 42697340, 64046010, 128092020]

約数ペア:

[(1, 128092020), (2, 64046010), (3, 42697340), (4, 32023005), (5, 25618404), (6, 21348670), (7, 18298860), (10, 12809202), (12, 10674335), (14, 9149430), (15, 8539468), (20, 6404601), (21, 6099620), (28, 4574715), (30, 4269734), (35, 3659772), (42, 3049810), (60, 2134867), (70, 1829886), (84, 1524905), (105, 1219924), (140, 914943), (210, 609962), (420, 304981)]