393820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 987840

約数和(自身を除く): 594020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 97, 116, 140, 145, 194, 203, 290, 388, 406, 485, 580, 679, 812, 970, 1015, 1358, 1940, 2030, 2716, 2813, 3395, 4060, 5626, 6790, 11252, 13580, 14065, 19691, 28130, 39382, 56260, 78764, 98455, 196910, 393820]

約数ペア:

[(1, 393820), (2, 196910), (4, 98455), (5, 78764), (7, 56260), (10, 39382), (14, 28130), (20, 19691), (28, 14065), (29, 13580), (35, 11252), (58, 6790), (70, 5626), (97, 4060), (116, 3395), (140, 2813), (145, 2716), (194, 2030), (203, 1940), (290, 1358), (388, 1015), (406, 970), (485, 812), (580, 679)]