223839280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2029}}^1$

素因数の和:2246

約数の個数: 80

約数和(自身を含む): 598086720

約数和(自身を除く): 374247440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 197, 280, 394, 560, 788, 985, 1379, 1576, 1970, 2029, 2758, 3152, 3940, 4058, 5516, 6895, 7880, 8116, 10145, 11032, 13790, 14203, 15760, 16232, 20290, 22064, 27580, 28406, 32464, 40580, 55160, 56812, 71015, 81160, 110320, 113624, 142030, 162320, 227248, 284060, 399713, 568120, 799426, 1136240, 1598852, 1998565, 2797991, 3197704, 3997130, 5595982, 6395408, 7994260, 11191964, 13989955, 15988520, 22383928, 27979910, 31977040, 44767856, 55959820, 111919640, 223839280]

約数ペア:

[(1, 223839280), (2, 111919640), (4, 55959820), (5, 44767856), (7, 31977040), (8, 27979910), (10, 22383928), (14, 15988520), (16, 13989955), (20, 11191964), (28, 7994260), (35, 6395408), (40, 5595982), (56, 3997130), (70, 3197704), (80, 2797991), (112, 1998565), (140, 1598852), (197, 1136240), (280, 799426), (394, 568120), (560, 399713), (788, 284060), (985, 227248), (1379, 162320), (1576, 142030), (1970, 113624), (2029, 110320), (2758, 81160), (3152, 71015), (3940, 56812), (4058, 55160), (5516, 40580), (6895, 32464), (7880, 28406), (8116, 27580), (10145, 22064), (11032, 20290), (13790, 16232), (14203, 15760)]