290491380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1231}}^1$

素因数の和:1291

約数の個数: 192

約数和(自身を含む): 993484800

約数和(自身を除く): 702993420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 27, 30, 36, 38, 45, 46, 54, 57, 60, 69, 76, 90, 92, 95, 108, 114, 115, 135, 138, 171, 180, 190, 207, 228, 230, 270, 276, 285, 342, 345, 380, 414, 437, 460, 513, 540, 570, 621, 684, 690, 828, 855, 874, 1026, 1035, 1140, 1231, 1242, 1311, 1380, 1710, 1748, 2052, 2070, 2185, 2462, 2484, 2565, 2622, 3105, 3420, 3693, 3933, 4140, 4370, 4924, 5130, 5244, 6155, 6210, 6555, 7386, 7866, 8740, 10260, 11079, 11799, 12310, 12420, 13110, 14772, 15732, 18465, 19665, 22158, 23389, 23598, 24620, 26220, 28313, 33237, 36930, 39330, 44316, 46778, 47196, 55395, 56626, 58995, 66474, 70167, 73860, 78660, 84939, 93556, 110790, 113252, 116945, 117990, 132948, 140334, 141565, 166185, 169878, 210501, 221580, 233890, 235980, 254817, 280668, 283130, 332370, 339756, 350835, 421002, 424695, 467780, 509634, 537947, 566260, 631503, 664740, 701670, 764451, 842004, 849390, 1019268, 1052505, 1075894, 1263006, 1274085, 1403340, 1528902, 1613841, 1698780, 2105010, 2151788, 2526012, 2548170, 2689735, 3057804, 3157515, 3227682, 3822255, 4210020, 4841523, 5096340, 5379470, 6315030, 6455364, 7644510, 8069205, 9683046, 10758940, 12630060, 14524569, 15289020, 16138410, 19366092, 24207615, 29049138, 32276820, 48415230, 58098276, 72622845, 96830460, 145245690, 290491380]

約数ペア:

[(1, 290491380), (2, 145245690), (3, 96830460), (4, 72622845), (5, 58098276), (6, 48415230), (9, 32276820), (10, 29049138), (12, 24207615), (15, 19366092), (18, 16138410), (19, 15289020), (20, 14524569), (23, 12630060), (27, 10758940), (30, 9683046), (36, 8069205), (38, 7644510), (45, 6455364), (46, 6315030), (54, 5379470), (57, 5096340), (60, 4841523), (69, 4210020), (76, 3822255), (90, 3227682), (92, 3157515), (95, 3057804), (108, 2689735), (114, 2548170), (115, 2526012), (135, 2151788), (138, 2105010), (171, 1698780), (180, 1613841), (190, 1528902), (207, 1403340), (228, 1274085), (230, 1263006), (270, 1075894), (276, 1052505), (285, 1019268), (342, 849390), (345, 842004), (380, 764451), (414, 701670), (437, 664740), (460, 631503), (513, 566260), (540, 537947), (570, 509634), (621, 467780), (684, 424695), (690, 421002), (828, 350835), (855, 339756), (874, 332370), (1026, 283130), (1035, 280668), (1140, 254817), (1231, 235980), (1242, 233890), (1311, 221580), (1380, 210501), (1710, 169878), (1748, 166185), (2052, 141565), (2070, 140334), (2185, 132948), (2462, 117990), (2484, 116945), (2565, 113252), (2622, 110790), (3105, 93556), (3420, 84939), (3693, 78660), (3933, 73860), (4140, 70167), (4370, 66474), (4924, 58995), (5130, 56626), (5244, 55395), (6155, 47196), (6210, 46778), (6555, 44316), (7386, 39330), (7866, 36930), (8740, 33237), (10260, 28313), (11079, 26220), (11799, 24620), (12310, 23598), (12420, 23389), (13110, 22158), (14772, 19665), (15732, 18465)]