8218700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 20832000

約数和(自身を除く): 12613300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 59, 70, 100, 118, 140, 175, 199, 236, 295, 350, 398, 413, 590, 700, 796, 826, 995, 1180, 1393, 1475, 1652, 1990, 2065, 2786, 2950, 3980, 4130, 4975, 5572, 5900, 6965, 8260, 9950, 10325, 11741, 13930, 19900, 20650, 23482, 27860, 34825, 41300, 46964, 58705, 69650, 82187, 117410, 139300, 164374, 234820, 293525, 328748, 410935, 587050, 821870, 1174100, 1643740, 2054675, 4109350, 8218700]

約数ペア:

[(1, 8218700), (2, 4109350), (4, 2054675), (5, 1643740), (7, 1174100), (10, 821870), (14, 587050), (20, 410935), (25, 328748), (28, 293525), (35, 234820), (50, 164374), (59, 139300), (70, 117410), (100, 82187), (118, 69650), (140, 58705), (175, 46964), (199, 41300), (236, 34825), (295, 27860), (350, 23482), (398, 20650), (413, 19900), (590, 13930), (700, 11741), (796, 10325), (826, 9950), (995, 8260), (1180, 6965), (1393, 5900), (1475, 5572), (1652, 4975), (1990, 4130), (2065, 3980), (2786, 2950)]