494250640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:441

約数の個数: 120

約数和(自身を含む): 1258044480

約数和(自身を除く): 763793840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 139, 169, 208, 260, 263, 278, 338, 520, 526, 556, 676, 695, 845, 1040, 1052, 1112, 1315, 1352, 1390, 1690, 1807, 2104, 2224, 2630, 2704, 2780, 3380, 3419, 3614, 4208, 5260, 5560, 6760, 6838, 7228, 9035, 10520, 11120, 13520, 13676, 14456, 17095, 18070, 21040, 23491, 27352, 28912, 34190, 36140, 36557, 44447, 46982, 54704, 68380, 72280, 73114, 88894, 93964, 117455, 136760, 144560, 146228, 177788, 182785, 187928, 222235, 234910, 273520, 292456, 355576, 365570, 375856, 444470, 469820, 475241, 584912, 711152, 731140, 888940, 939640, 950482, 1462280, 1777880, 1879280, 1900964, 2376205, 2924560, 3555760, 3801928, 4752410, 6178133, 7603856, 9504820, 12356266, 19009640, 24712532, 30890665, 38019280, 49425064, 61781330, 98850128, 123562660, 247125320, 494250640]

約数ペア:

[(1, 494250640), (2, 247125320), (4, 123562660), (5, 98850128), (8, 61781330), (10, 49425064), (13, 38019280), (16, 30890665), (20, 24712532), (26, 19009640), (40, 12356266), (52, 9504820), (65, 7603856), (80, 6178133), (104, 4752410), (130, 3801928), (139, 3555760), (169, 2924560), (208, 2376205), (260, 1900964), (263, 1879280), (278, 1777880), (338, 1462280), (520, 950482), (526, 939640), (556, 888940), (676, 731140), (695, 711152), (845, 584912), (1040, 475241), (1052, 469820), (1112, 444470), (1315, 375856), (1352, 365570), (1390, 355576), (1690, 292456), (1807, 273520), (2104, 234910), (2224, 222235), (2630, 187928), (2704, 182785), (2780, 177788), (3380, 146228), (3419, 144560), (3614, 136760), (4208, 117455), (5260, 93964), (5560, 88894), (6760, 73114), (6838, 72280), (7228, 68380), (9035, 54704), (10520, 46982), (11120, 44447), (13520, 36557), (13676, 36140), (14456, 34190), (17095, 28912), (18070, 27352), (21040, 23491)]