2550873640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1\times {\mathrm{991}}^1$

素因数の和:1355

約数の個数: 128

約数和(自身を含む): 6813849600

約数和(自身を除く): 4262975960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 317, 406, 580, 634, 812, 991, 1015, 1160, 1268, 1585, 1624, 1982, 2030, 2219, 2536, 3170, 3964, 4060, 4438, 4955, 6340, 6937, 7928, 8120, 8876, 9193, 9910, 11095, 12680, 13874, 17752, 18386, 19820, 22190, 27748, 28739, 34685, 36772, 39640, 44380, 45965, 55496, 57478, 64351, 69370, 73544, 88760, 91930, 114956, 128702, 138740, 143695, 183860, 201173, 229912, 257404, 277480, 287390, 314147, 321755, 367720, 402346, 514808, 574780, 628294, 643510, 804692, 1005865, 1149560, 1256588, 1287020, 1570735, 1609384, 2011730, 2199029, 2513176, 2574040, 3141470, 4023460, 4398058, 6282940, 8046920, 8796116, 9110263, 10995145, 12565880, 17592232, 18220526, 21990290, 36441052, 43980580, 45551315, 63771841, 72882104, 87961160, 91102630, 127543682, 182205260, 255087364, 318859205, 364410520, 510174728, 637718410, 1275436820, 2550873640]

約数ペア:

[(1, 2550873640), (2, 1275436820), (4, 637718410), (5, 510174728), (7, 364410520), (8, 318859205), (10, 255087364), (14, 182205260), (20, 127543682), (28, 91102630), (29, 87961160), (35, 72882104), (40, 63771841), (56, 45551315), (58, 43980580), (70, 36441052), (116, 21990290), (140, 18220526), (145, 17592232), (203, 12565880), (232, 10995145), (280, 9110263), (290, 8796116), (317, 8046920), (406, 6282940), (580, 4398058), (634, 4023460), (812, 3141470), (991, 2574040), (1015, 2513176), (1160, 2199029), (1268, 2011730), (1585, 1609384), (1624, 1570735), (1982, 1287020), (2030, 1256588), (2219, 1149560), (2536, 1005865), (3170, 804692), (3964, 643510), (4060, 628294), (4438, 574780), (4955, 514808), (6340, 402346), (6937, 367720), (7928, 321755), (8120, 314147), (8876, 287390), (9193, 277480), (9910, 257404), (11095, 229912), (12680, 201173), (13874, 183860), (17752, 143695), (18386, 138740), (19820, 128702), (22190, 114956), (27748, 91930), (28739, 88760), (34685, 73544), (36772, 69370), (39640, 64351), (44380, 57478), (45965, 55496)]