389574640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{907}}^1$

素因数の和:999

約数の個数: 160

約数和(自身を含む): 1134927360

約数和(自身を除く): 745352720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 59, 65, 70, 80, 91, 104, 112, 118, 130, 140, 182, 208, 236, 260, 280, 295, 364, 413, 455, 472, 520, 560, 590, 728, 767, 826, 907, 910, 944, 1040, 1180, 1456, 1534, 1652, 1814, 1820, 2065, 2360, 3068, 3304, 3628, 3640, 3835, 4130, 4535, 4720, 5369, 6136, 6349, 6608, 7256, 7280, 7670, 8260, 9070, 10738, 11791, 12272, 12698, 14512, 15340, 16520, 18140, 21476, 23582, 25396, 26845, 30680, 31745, 33040, 36280, 42952, 47164, 50792, 53513, 53690, 58955, 61360, 63490, 72560, 82537, 85904, 94328, 101584, 107026, 107380, 117910, 126980, 165074, 188656, 214052, 214760, 235820, 253960, 267565, 330148, 374591, 412685, 428104, 429520, 471640, 507920, 535130, 660296, 695669, 749182, 825370, 856208, 943280, 1070260, 1320592, 1391338, 1498364, 1650740, 1872955, 2140520, 2782676, 2996728, 3301480, 3478345, 3745910, 4281040, 4869683, 5565352, 5993456, 6602960, 6956690, 7491820, 9739366, 11130704, 13913380, 14983640, 19478732, 24348415, 27826760, 29967280, 38957464, 48696830, 55653520, 77914928, 97393660, 194787320, 389574640]

約数ペア:

[(1, 389574640), (2, 194787320), (4, 97393660), (5, 77914928), (7, 55653520), (8, 48696830), (10, 38957464), (13, 29967280), (14, 27826760), (16, 24348415), (20, 19478732), (26, 14983640), (28, 13913380), (35, 11130704), (40, 9739366), (52, 7491820), (56, 6956690), (59, 6602960), (65, 5993456), (70, 5565352), (80, 4869683), (91, 4281040), (104, 3745910), (112, 3478345), (118, 3301480), (130, 2996728), (140, 2782676), (182, 2140520), (208, 1872955), (236, 1650740), (260, 1498364), (280, 1391338), (295, 1320592), (364, 1070260), (413, 943280), (455, 856208), (472, 825370), (520, 749182), (560, 695669), (590, 660296), (728, 535130), (767, 507920), (826, 471640), (907, 429520), (910, 428104), (944, 412685), (1040, 374591), (1180, 330148), (1456, 267565), (1534, 253960), (1652, 235820), (1814, 214760), (1820, 214052), (2065, 188656), (2360, 165074), (3068, 126980), (3304, 117910), (3628, 107380), (3640, 107026), (3835, 101584), (4130, 94328), (4535, 85904), (4720, 82537), (5369, 72560), (6136, 63490), (6349, 61360), (6608, 58955), (7256, 53690), (7280, 53513), (7670, 50792), (8260, 47164), (9070, 42952), (10738, 36280), (11791, 33040), (12272, 31745), (12698, 30680), (14512, 26845), (15340, 25396), (16520, 23582), (18140, 21476)]