7580020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1867}}^1$

素因数の和:1912

約数の個数: 48

約数和(自身を含む): 18829440

約数和(自身を除く): 11249420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 1867, 2030, 3734, 4060, 7468, 9335, 13069, 18670, 26138, 37340, 52276, 54143, 65345, 108286, 130690, 216572, 261380, 270715, 379001, 541430, 758002, 1082860, 1516004, 1895005, 3790010, 7580020]

約数ペア:

[(1, 7580020), (2, 3790010), (4, 1895005), (5, 1516004), (7, 1082860), (10, 758002), (14, 541430), (20, 379001), (28, 270715), (29, 261380), (35, 216572), (58, 130690), (70, 108286), (116, 65345), (140, 54143), (145, 52276), (203, 37340), (290, 26138), (406, 18670), (580, 13069), (812, 9335), (1015, 7468), (1867, 4060), (2030, 3734)]