179934800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:645

約数の個数: 120

約数和(自身を含む): 468291456

約数和(自身を除く): 288356656

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 47, 50, 68, 80, 85, 94, 100, 136, 170, 188, 200, 235, 272, 340, 376, 400, 425, 470, 563, 680, 752, 799, 850, 940, 1126, 1175, 1360, 1598, 1700, 1880, 2252, 2350, 2815, 3196, 3400, 3760, 3995, 4504, 4700, 5630, 6392, 6800, 7990, 9008, 9400, 9571, 11260, 12784, 14075, 15980, 18800, 19142, 19975, 22520, 26461, 28150, 31960, 38284, 39950, 45040, 47855, 52922, 56300, 63920, 76568, 79900, 95710, 105844, 112600, 132305, 153136, 159800, 191420, 211688, 225200, 239275, 264610, 319600, 382840, 423376, 449837, 478550, 529220, 661525, 765680, 899674, 957100, 1058440, 1323050, 1799348, 1914200, 2116880, 2249185, 2646100, 3598696, 3828400, 4498370, 5292200, 7197392, 8996740, 10584400, 11245925, 17993480, 22491850, 35986960, 44983700, 89967400, 179934800]

約数ペア:

[(1, 179934800), (2, 89967400), (4, 44983700), (5, 35986960), (8, 22491850), (10, 17993480), (16, 11245925), (17, 10584400), (20, 8996740), (25, 7197392), (34, 5292200), (40, 4498370), (47, 3828400), (50, 3598696), (68, 2646100), (80, 2249185), (85, 2116880), (94, 1914200), (100, 1799348), (136, 1323050), (170, 1058440), (188, 957100), (200, 899674), (235, 765680), (272, 661525), (340, 529220), (376, 478550), (400, 449837), (425, 423376), (470, 382840), (563, 319600), (680, 264610), (752, 239275), (799, 225200), (850, 211688), (940, 191420), (1126, 159800), (1175, 153136), (1360, 132305), (1598, 112600), (1700, 105844), (1880, 95710), (2252, 79900), (2350, 76568), (2815, 63920), (3196, 56300), (3400, 52922), (3760, 47855), (3995, 45040), (4504, 39950), (4700, 38284), (5630, 31960), (6392, 28150), (6800, 26461), (7990, 22520), (9008, 19975), (9400, 19142), (9571, 18800), (11260, 15980), (12784, 14075)]