831278500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 192

約数和(自身を含む): 2113413120

約数和(自身を除く): 1282134620

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 53, 65, 76, 95, 100, 106, 125, 127, 130, 190, 212, 247, 250, 254, 260, 265, 325, 380, 475, 494, 500, 508, 530, 635, 650, 689, 950, 988, 1007, 1060, 1235, 1270, 1300, 1325, 1378, 1625, 1651, 1900, 2014, 2375, 2413, 2470, 2540, 2650, 2756, 3175, 3250, 3302, 3445, 4028, 4750, 4826, 4940, 5035, 5300, 6175, 6350, 6500, 6604, 6625, 6731, 6890, 8255, 9500, 9652, 10070, 12065, 12350, 12700, 13091, 13250, 13462, 13780, 15875, 16510, 17225, 20140, 24130, 24700, 25175, 26182, 26500, 26924, 30875, 31369, 31750, 33020, 33655, 34450, 41275, 48260, 50350, 52364, 60325, 61750, 62738, 63500, 65455, 67310, 68900, 82550, 86125, 87503, 100700, 120650, 123500, 125476, 125875, 127889, 130910, 134620, 156845, 165100, 168275, 172250, 175006, 206375, 241300, 251750, 255778, 261820, 301625, 313690, 327275, 336550, 344500, 350012, 412750, 437515, 503500, 511556, 603250, 627380, 639445, 654550, 673100, 784225, 825500, 841375, 875030, 1206500, 1278890, 1309100, 1568450, 1636375, 1662557, 1682750, 1750060, 2187575, 2557780, 3136900, 3197225, 3272750, 3325114, 3365500, 3921125, 4375150, 6394450, 6545500, 6650228, 7842250, 8312785, 8750300, 10937875, 12788900, 15684500, 15986125, 16625570, 21875750, 31972250, 33251140, 41563925, 43751500, 63944500, 83127850, 166255700, 207819625, 415639250, 831278500]

約数ペア:

[(1, 831278500), (2, 415639250), (4, 207819625), (5, 166255700), (10, 83127850), (13, 63944500), (19, 43751500), (20, 41563925), (25, 33251140), (26, 31972250), (38, 21875750), (50, 16625570), (52, 15986125), (53, 15684500), (65, 12788900), (76, 10937875), (95, 8750300), (100, 8312785), (106, 7842250), (125, 6650228), (127, 6545500), (130, 6394450), (190, 4375150), (212, 3921125), (247, 3365500), (250, 3325114), (254, 3272750), (260, 3197225), (265, 3136900), (325, 2557780), (380, 2187575), (475, 1750060), (494, 1682750), (500, 1662557), (508, 1636375), (530, 1568450), (635, 1309100), (650, 1278890), (689, 1206500), (950, 875030), (988, 841375), (1007, 825500), (1060, 784225), (1235, 673100), (1270, 654550), (1300, 639445), (1325, 627380), (1378, 603250), (1625, 511556), (1651, 503500), (1900, 437515), (2014, 412750), (2375, 350012), (2413, 344500), (2470, 336550), (2540, 327275), (2650, 313690), (2756, 301625), (3175, 261820), (3250, 255778), (3302, 251750), (3445, 241300), (4028, 206375), (4750, 175006), (4826, 172250), (4940, 168275), (5035, 165100), (5300, 156845), (6175, 134620), (6350, 130910), (6500, 127889), (6604, 125875), (6625, 125476), (6731, 123500), (6890, 120650), (8255, 100700), (9500, 87503), (9652, 86125), (10070, 82550), (12065, 68900), (12350, 67310), (12700, 65455), (13091, 63500), (13250, 62738), (13462, 61750), (13780, 60325), (15875, 52364), (16510, 50350), (17225, 48260), (20140, 41275), (24130, 34450), (24700, 33655), (25175, 33020), (26182, 31750), (26500, 31369), (26924, 30875)]