217073480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 561254400

約数和(自身を除く): 344180920

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 127, 130, 152, 173, 190, 247, 254, 260, 346, 380, 494, 508, 520, 635, 692, 760, 865, 988, 1016, 1235, 1270, 1384, 1651, 1730, 1976, 2249, 2413, 2470, 2540, 3287, 3302, 3460, 4498, 4826, 4940, 5080, 6574, 6604, 6920, 8255, 8996, 9652, 9880, 11245, 12065, 13148, 13208, 16435, 16510, 17992, 19304, 21971, 22490, 24130, 26296, 31369, 32870, 33020, 42731, 43942, 44980, 48260, 62738, 65740, 66040, 85462, 87884, 89960, 96520, 109855, 125476, 131480, 156845, 170924, 175768, 213655, 219710, 250952, 285623, 313690, 341848, 417449, 427310, 439420, 571246, 627380, 834898, 854620, 878840, 1142492, 1254760, 1428115, 1669796, 1709240, 2087245, 2284984, 2856230, 3339592, 4174490, 5426837, 5712460, 8348980, 10853674, 11424920, 16697960, 21707348, 27134185, 43414696, 54268370, 108536740, 217073480]

約数ペア:

[(1, 217073480), (2, 108536740), (4, 54268370), (5, 43414696), (8, 27134185), (10, 21707348), (13, 16697960), (19, 11424920), (20, 10853674), (26, 8348980), (38, 5712460), (40, 5426837), (52, 4174490), (65, 3339592), (76, 2856230), (95, 2284984), (104, 2087245), (127, 1709240), (130, 1669796), (152, 1428115), (173, 1254760), (190, 1142492), (247, 878840), (254, 854620), (260, 834898), (346, 627380), (380, 571246), (494, 439420), (508, 427310), (520, 417449), (635, 341848), (692, 313690), (760, 285623), (865, 250952), (988, 219710), (1016, 213655), (1235, 175768), (1270, 170924), (1384, 156845), (1651, 131480), (1730, 125476), (1976, 109855), (2249, 96520), (2413, 89960), (2470, 87884), (2540, 85462), (3287, 66040), (3302, 65740), (3460, 62738), (4498, 48260), (4826, 44980), (4940, 43942), (5080, 42731), (6574, 33020), (6604, 32870), (6920, 31369), (8255, 26296), (8996, 24130), (9652, 22490), (9880, 21971), (11245, 19304), (12065, 17992), (13148, 16510), (13208, 16435)]