489933920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:293

約数の個数: 192

約数和(自身を含む): 1388814336

約数和(自身を除く): 898880416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 103, 112, 124, 137, 140, 155, 160, 206, 217, 224, 248, 274, 280, 310, 412, 434, 496, 515, 548, 560, 620, 685, 721, 824, 868, 959, 992, 1030, 1085, 1096, 1120, 1240, 1370, 1442, 1648, 1736, 1918, 2060, 2170, 2192, 2480, 2740, 2884, 3193, 3296, 3472, 3605, 3836, 4120, 4247, 4340, 4384, 4795, 4960, 5480, 5768, 6386, 6944, 7210, 7672, 8240, 8494, 8680, 9590, 10960, 11536, 12772, 14111, 14420, 15344, 15965, 16480, 16988, 17360, 19180, 21235, 21920, 22351, 23072, 25544, 28222, 28840, 29729, 30688, 31930, 33976, 34720, 38360, 42470, 44702, 51088, 56444, 57680, 59458, 63860, 67952, 70555, 76720, 84940, 89404, 98777, 102176, 111755, 112888, 115360, 118916, 127720, 135904, 141110, 148645, 153440, 169880, 178808, 197554, 223510, 225776, 237832, 255440, 282220, 297290, 339760, 357616, 395108, 437441, 447020, 451552, 475664, 493885, 510880, 564440, 594580, 679520, 715232, 790216, 874882, 894040, 951328, 987770, 1128880, 1189160, 1580432, 1749764, 1788080, 1975540, 2187205, 2257760, 2378320, 3062087, 3160864, 3499528, 3576160, 3951080, 4374410, 4756640, 6124174, 6999056, 7902160, 8748820, 12248348, 13998112, 15310435, 15804320, 17497640, 24496696, 30620870, 34995280, 48993392, 61241740, 69990560, 97986784, 122483480, 244966960, 489933920]

約数ペア:

[(1, 489933920), (2, 244966960), (4, 122483480), (5, 97986784), (7, 69990560), (8, 61241740), (10, 48993392), (14, 34995280), (16, 30620870), (20, 24496696), (28, 17497640), (31, 15804320), (32, 15310435), (35, 13998112), (40, 12248348), (56, 8748820), (62, 7902160), (70, 6999056), (80, 6124174), (103, 4756640), (112, 4374410), (124, 3951080), (137, 3576160), (140, 3499528), (155, 3160864), (160, 3062087), (206, 2378320), (217, 2257760), (224, 2187205), (248, 1975540), (274, 1788080), (280, 1749764), (310, 1580432), (412, 1189160), (434, 1128880), (496, 987770), (515, 951328), (548, 894040), (560, 874882), (620, 790216), (685, 715232), (721, 679520), (824, 594580), (868, 564440), (959, 510880), (992, 493885), (1030, 475664), (1085, 451552), (1096, 447020), (1120, 437441), (1240, 395108), (1370, 357616), (1442, 339760), (1648, 297290), (1736, 282220), (1918, 255440), (2060, 237832), (2170, 225776), (2192, 223510), (2480, 197554), (2740, 178808), (2884, 169880), (3193, 153440), (3296, 148645), (3472, 141110), (3605, 135904), (3836, 127720), (4120, 118916), (4247, 115360), (4340, 112888), (4384, 111755), (4795, 102176), (4960, 98777), (5480, 89404), (5768, 84940), (6386, 76720), (6944, 70555), (7210, 67952), (7672, 63860), (8240, 59458), (8494, 57680), (8680, 56444), (9590, 51088), (10960, 44702), (11536, 42470), (12772, 38360), (14111, 34720), (14420, 33976), (15344, 31930), (15965, 30688), (16480, 29729), (16988, 28840), (17360, 28222), (19180, 25544), (21235, 23072), (21920, 22351)]