389449080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18979}}^1$

素因数の和:19018

約数の個数: 128

約数和(自身を含む): 1366560000

約数和(自身を除く): 977110920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 18979, 20520, 37958, 56937, 75916, 94895, 113874, 151832, 170811, 189790, 227748, 284685, 341622, 360601, 379580, 455496, 512433, 569370, 683244, 721202, 759160, 854055, 1024866, 1081803, 1138740, 1366488, 1442404, 1708110, 1803005, 2049732, 2163606, 2277480, 2562165, 2884808, 3245409, 3416220, 3606010, 4099464, 4327212, 5124330, 5409015, 6490818, 6832440, 7212020, 8654424, 9736227, 10248660, 10818030, 12981636, 14424040, 16227045, 19472454, 20497320, 21636060, 25963272, 32454090, 38944908, 43272120, 48681135, 64908180, 77889816, 97362270, 129816360, 194724540, 389449080]

約数ペア:

[(1, 389449080), (2, 194724540), (3, 129816360), (4, 97362270), (5, 77889816), (6, 64908180), (8, 48681135), (9, 43272120), (10, 38944908), (12, 32454090), (15, 25963272), (18, 21636060), (19, 20497320), (20, 19472454), (24, 16227045), (27, 14424040), (30, 12981636), (36, 10818030), (38, 10248660), (40, 9736227), (45, 8654424), (54, 7212020), (57, 6832440), (60, 6490818), (72, 5409015), (76, 5124330), (90, 4327212), (95, 4099464), (108, 3606010), (114, 3416220), (120, 3245409), (135, 2884808), (152, 2562165), (171, 2277480), (180, 2163606), (190, 2049732), (216, 1803005), (228, 1708110), (270, 1442404), (285, 1366488), (342, 1138740), (360, 1081803), (380, 1024866), (456, 854055), (513, 759160), (540, 721202), (570, 683244), (684, 569370), (760, 512433), (855, 455496), (1026, 379580), (1080, 360601), (1140, 341622), (1368, 284685), (1710, 227748), (2052, 189790), (2280, 170811), (2565, 151832), (3420, 113874), (4104, 94895), (5130, 75916), (6840, 56937), (10260, 37958), (18979, 20520)]