30307900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1493}}^1$

素因数の和:1543

約数の個数: 72

約数和(自身を含む): 77807520

約数和(自身を除く): 47499620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 140, 145, 175, 203, 290, 350, 406, 580, 700, 725, 812, 1015, 1450, 1493, 2030, 2900, 2986, 4060, 5075, 5972, 7465, 10150, 10451, 14930, 20300, 20902, 29860, 37325, 41804, 43297, 52255, 74650, 86594, 104510, 149300, 173188, 209020, 216485, 261275, 303079, 432970, 522550, 606158, 865940, 1045100, 1082425, 1212316, 1515395, 2164850, 3030790, 4329700, 6061580, 7576975, 15153950, 30307900]

約数ペア:

[(1, 30307900), (2, 15153950), (4, 7576975), (5, 6061580), (7, 4329700), (10, 3030790), (14, 2164850), (20, 1515395), (25, 1212316), (28, 1082425), (29, 1045100), (35, 865940), (50, 606158), (58, 522550), (70, 432970), (100, 303079), (116, 261275), (140, 216485), (145, 209020), (175, 173188), (203, 149300), (290, 104510), (350, 86594), (406, 74650), (580, 52255), (700, 43297), (725, 41804), (812, 37325), (1015, 29860), (1450, 20902), (1493, 20300), (2030, 14930), (2900, 10451), (2986, 10150), (4060, 7465), (5075, 5972)]