921620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 2298240

約数和(自身を除く): 1376620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 227, 290, 406, 454, 580, 812, 908, 1015, 1135, 1589, 2030, 2270, 3178, 4060, 4540, 6356, 6583, 7945, 13166, 15890, 26332, 31780, 32915, 46081, 65830, 92162, 131660, 184324, 230405, 460810, 921620]

約数ペア:

[(1, 921620), (2, 460810), (4, 230405), (5, 184324), (7, 131660), (10, 92162), (14, 65830), (20, 46081), (28, 32915), (29, 31780), (35, 26332), (58, 15890), (70, 13166), (116, 7945), (140, 6583), (145, 6356), (203, 4540), (227, 4060), (290, 3178), (406, 2270), (454, 2030), (580, 1589), (812, 1135), (908, 1015)]