8890980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{21169}}^1$

素因数の和:21188

約数の個数: 48

約数和(自身を含む): 28452480

約数和(自身を除く): 19561500

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, 21169, 42338, 63507, 84676, 105845, 127014, 148183, 211690, 254028, 296366, 317535, 423380, 444549, 592732, 635070, 740915, 889098, 1270140, 1481830, 1778196, 2222745, 2963660, 4445490, 8890980]

約数ペア:

[(1, 8890980), (2, 4445490), (3, 2963660), (4, 2222745), (5, 1778196), (6, 1481830), (7, 1270140), (10, 889098), (12, 740915), (14, 635070), (15, 592732), (20, 444549), (21, 423380), (28, 317535), (30, 296366), (35, 254028), (42, 211690), (60, 148183), (70, 127014), (84, 105845), (105, 84676), (140, 63507), (210, 42338), (420, 21169)]