420000910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{206897}}^1$

素因数の和:206940

約数の個数: 32

約数和(自身を含む): 893799360

約数和(自身を除く): 473798450

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 206897, 413794, 1034485, 1448279, 2068970, 2896558, 6000013, 7241395, 12000026, 14482790, 30000065, 42000091, 60000130, 84000182, 210000455, 420000910]

約数ペア:

[(1, 420000910), (2, 210000455), (5, 84000182), (7, 60000130), (10, 42000091), (14, 30000065), (29, 14482790), (35, 12000026), (58, 7241395), (70, 6000013), (145, 2896558), (203, 2068970), (290, 1448279), (406, 1034485), (1015, 413794), (2030, 206897)]