228709040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2741}}^1$

素因数の和:2910

約数の個数: 80

約数和(自身を含む): 612014400

約数和(自身を除く): 383305360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 149, 280, 298, 560, 596, 745, 1043, 1192, 1490, 2086, 2384, 2741, 2980, 4172, 5215, 5482, 5960, 8344, 10430, 10964, 11920, 13705, 16688, 19187, 20860, 21928, 27410, 38374, 41720, 43856, 54820, 76748, 83440, 95935, 109640, 153496, 191870, 219280, 306992, 383740, 408409, 767480, 816818, 1534960, 1633636, 2042045, 2858863, 3267272, 4084090, 5717726, 6534544, 8168180, 11435452, 14294315, 16336360, 22870904, 28588630, 32672720, 45741808, 57177260, 114354520, 228709040]

約数ペア:

[(1, 228709040), (2, 114354520), (4, 57177260), (5, 45741808), (7, 32672720), (8, 28588630), (10, 22870904), (14, 16336360), (16, 14294315), (20, 11435452), (28, 8168180), (35, 6534544), (40, 5717726), (56, 4084090), (70, 3267272), (80, 2858863), (112, 2042045), (140, 1633636), (149, 1534960), (280, 816818), (298, 767480), (560, 408409), (596, 383740), (745, 306992), (1043, 219280), (1192, 191870), (1490, 153496), (2086, 109640), (2384, 95935), (2741, 83440), (2980, 76748), (4172, 54820), (5215, 43856), (5482, 41720), (5960, 38374), (8344, 27410), (10430, 21928), (10964, 20860), (11920, 19187), (13705, 16688)]