20131119190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{5281}}^1$

素因数の和:5438

約数の個数: 128

約数和(自身を含む): 46001571840

約数和(自身を除く): 25870452650

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 59, 65, 70, 71, 91, 118, 130, 142, 182, 295, 355, 413, 455, 497, 590, 710, 767, 826, 910, 923, 994, 1534, 1846, 2065, 2485, 3835, 4130, 4189, 4615, 4970, 5281, 5369, 6461, 7670, 8378, 9230, 10562, 10738, 12922, 20945, 26405, 26845, 29323, 32305, 36967, 41890, 52810, 53690, 54457, 58646, 64610, 68653, 73934, 108914, 137306, 146615, 184835, 272285, 293230, 311579, 343265, 369670, 374951, 381199, 480571, 544570, 623158, 686530, 749902, 762398, 961142, 1557895, 1874755, 1905995, 2181053, 2402855, 2624657, 3115790, 3749510, 3811990, 4050527, 4362106, 4805710, 4874363, 5249314, 8101054, 9748726, 10905265, 13123285, 20252635, 21810530, 22122109, 24371815, 26246570, 28353689, 34120541, 40505270, 44244218, 48743630, 56707378, 68241082, 110610545, 141768445, 154854763, 170602705, 221221090, 283536890, 287587417, 309709526, 341205410, 575174834, 774273815, 1437937085, 1548547630, 2013111919, 2875874170, 4026223838, 10065559595, 20131119190]

約数ペア:

[(1, 20131119190), (2, 10065559595), (5, 4026223838), (7, 2875874170), (10, 2013111919), (13, 1548547630), (14, 1437937085), (26, 774273815), (35, 575174834), (59, 341205410), (65, 309709526), (70, 287587417), (71, 283536890), (91, 221221090), (118, 170602705), (130, 154854763), (142, 141768445), (182, 110610545), (295, 68241082), (355, 56707378), (413, 48743630), (455, 44244218), (497, 40505270), (590, 34120541), (710, 28353689), (767, 26246570), (826, 24371815), (910, 22122109), (923, 21810530), (994, 20252635), (1534, 13123285), (1846, 10905265), (2065, 9748726), (2485, 8101054), (3835, 5249314), (4130, 4874363), (4189, 4805710), (4615, 4362106), (4970, 4050527), (5281, 3811990), (5369, 3749510), (6461, 3115790), (7670, 2624657), (8378, 2402855), (9230, 2181053), (10562, 1905995), (10738, 1874755), (12922, 1557895), (20945, 961142), (26405, 762398), (26845, 749902), (29323, 686530), (32305, 623158), (36967, 544570), (41890, 480571), (52810, 381199), (53690, 374951), (54457, 369670), (58646, 343265), (64610, 311579), (68653, 293230), (73934, 272285), (108914, 184835), (137306, 146615)]