198474640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:369

約数の個数: 160

約数和(自身を含む): 574963200

約数和(自身を除く): 376488560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 137, 140, 182, 199, 208, 260, 274, 280, 364, 398, 455, 520, 548, 560, 685, 728, 796, 910, 959, 995, 1040, 1096, 1370, 1393, 1456, 1592, 1781, 1820, 1918, 1990, 2192, 2587, 2740, 2786, 3184, 3562, 3640, 3836, 3980, 4795, 5174, 5480, 5572, 6965, 7124, 7280, 7672, 7960, 8905, 9590, 10348, 10960, 11144, 12467, 12935, 13930, 14248, 15344, 15920, 17810, 18109, 19180, 20696, 22288, 24934, 25870, 27263, 27860, 28496, 35620, 36218, 38360, 41392, 49868, 51740, 54526, 55720, 62335, 71240, 72436, 76720, 90545, 99736, 103480, 109052, 111440, 124670, 136315, 142480, 144872, 181090, 190841, 199472, 206960, 218104, 249340, 272630, 289744, 354419, 362180, 381682, 436208, 498680, 545260, 708838, 724360, 763364, 954205, 997360, 1090520, 1417676, 1448720, 1526728, 1772095, 1908410, 2181040, 2480933, 2835352, 3053456, 3544190, 3816820, 4961866, 5670704, 7088380, 7633640, 9923732, 12404665, 14176760, 15267280, 19847464, 24809330, 28353520, 39694928, 49618660, 99237320, 198474640]

約数ペア:

[(1, 198474640), (2, 99237320), (4, 49618660), (5, 39694928), (7, 28353520), (8, 24809330), (10, 19847464), (13, 15267280), (14, 14176760), (16, 12404665), (20, 9923732), (26, 7633640), (28, 7088380), (35, 5670704), (40, 4961866), (52, 3816820), (56, 3544190), (65, 3053456), (70, 2835352), (80, 2480933), (91, 2181040), (104, 1908410), (112, 1772095), (130, 1526728), (137, 1448720), (140, 1417676), (182, 1090520), (199, 997360), (208, 954205), (260, 763364), (274, 724360), (280, 708838), (364, 545260), (398, 498680), (455, 436208), (520, 381682), (548, 362180), (560, 354419), (685, 289744), (728, 272630), (796, 249340), (910, 218104), (959, 206960), (995, 199472), (1040, 190841), (1096, 181090), (1370, 144872), (1393, 142480), (1456, 136315), (1592, 124670), (1781, 111440), (1820, 109052), (1918, 103480), (1990, 99736), (2192, 90545), (2587, 76720), (2740, 72436), (2786, 71240), (3184, 62335), (3562, 55720), (3640, 54526), (3836, 51740), (3980, 49868), (4795, 41392), (5174, 38360), (5480, 36218), (5572, 35620), (6965, 28496), (7124, 27860), (7280, 27263), (7672, 25870), (7960, 24934), (8905, 22288), (9590, 20696), (10348, 19180), (10960, 18109), (11144, 17810), (12467, 15920), (12935, 15344), (13930, 14248)]