198140320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:355

約数の個数: 144

約数和(自身を含む): 551577600

約数和(自身を除く): 353437280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 127, 140, 160, 196, 199, 224, 245, 254, 280, 392, 398, 490, 508, 560, 635, 784, 796, 889, 980, 995, 1016, 1120, 1270, 1393, 1568, 1592, 1778, 1960, 1990, 2032, 2540, 2786, 3184, 3556, 3920, 3980, 4064, 4445, 5080, 5572, 6223, 6368, 6965, 7112, 7840, 7960, 8890, 9751, 10160, 11144, 12446, 13930, 14224, 15920, 17780, 19502, 20320, 22288, 24892, 25273, 27860, 28448, 31115, 31840, 35560, 39004, 44576, 48755, 49784, 50546, 55720, 62230, 71120, 78008, 97510, 99568, 101092, 111440, 124460, 126365, 142240, 156016, 176911, 195020, 199136, 202184, 222880, 248920, 252730, 312032, 353822, 390040, 404368, 497840, 505460, 707644, 780080, 808736, 884555, 995680, 1010920, 1238377, 1415288, 1560160, 1769110, 2021840, 2476754, 2830576, 3538220, 4043680, 4953508, 5661152, 6191885, 7076440, 9907016, 12383770, 14152880, 19814032, 24767540, 28305760, 39628064, 49535080, 99070160, 198140320]

約数ペア:

[(1, 198140320), (2, 99070160), (4, 49535080), (5, 39628064), (7, 28305760), (8, 24767540), (10, 19814032), (14, 14152880), (16, 12383770), (20, 9907016), (28, 7076440), (32, 6191885), (35, 5661152), (40, 4953508), (49, 4043680), (56, 3538220), (70, 2830576), (80, 2476754), (98, 2021840), (112, 1769110), (127, 1560160), (140, 1415288), (160, 1238377), (196, 1010920), (199, 995680), (224, 884555), (245, 808736), (254, 780080), (280, 707644), (392, 505460), (398, 497840), (490, 404368), (508, 390040), (560, 353822), (635, 312032), (784, 252730), (796, 248920), (889, 222880), (980, 202184), (995, 199136), (1016, 195020), (1120, 176911), (1270, 156016), (1393, 142240), (1568, 126365), (1592, 124460), (1778, 111440), (1960, 101092), (1990, 99568), (2032, 97510), (2540, 78008), (2786, 71120), (3184, 62230), (3556, 55720), (3920, 50546), (3980, 49784), (4064, 48755), (4445, 44576), (5080, 39004), (5572, 35560), (6223, 31840), (6368, 31115), (6965, 28448), (7112, 27860), (7840, 25273), (7960, 24892), (8890, 22288), (9751, 20320), (10160, 19502), (11144, 17780), (12446, 15920), (13930, 14224)]