8720112100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{2087}}^1$

素因数の和:2282

約数の個数: 144

約数和(自身を含む): 22270574592

約数和(自身を除く): 13550462492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 50, 70, 94, 100, 127, 140, 175, 188, 235, 254, 329, 350, 470, 508, 635, 658, 700, 889, 940, 1175, 1270, 1316, 1645, 1778, 2087, 2350, 2540, 3175, 3290, 3556, 4174, 4445, 4700, 5969, 6350, 6580, 8225, 8348, 8890, 10435, 11938, 12700, 14609, 16450, 17780, 20870, 22225, 23876, 29218, 29845, 32900, 41740, 41783, 44450, 52175, 58436, 59690, 73045, 83566, 88900, 98089, 104350, 119380, 146090, 149225, 167132, 196178, 208700, 208915, 265049, 292180, 298450, 365225, 392356, 417830, 490445, 530098, 596900, 686623, 730450, 835660, 980890, 1044575, 1060196, 1325245, 1373246, 1460900, 1855343, 1961780, 2089150, 2452225, 2650490, 2746492, 3433115, 3710686, 4178300, 4904450, 5300980, 6626225, 6866230, 7421372, 9276715, 9808900, 12457303, 13252450, 13732460, 17165575, 18553430, 24914606, 26504900, 34331150, 37106860, 46383575, 49829212, 62286515, 68662300, 87201121, 92767150, 124573030, 174402242, 185534300, 249146060, 311432575, 348804484, 436005605, 622865150, 872011210, 1245730300, 1744022420, 2180028025, 4360056050, 8720112100]

約数ペア:

[(1, 8720112100), (2, 4360056050), (4, 2180028025), (5, 1744022420), (7, 1245730300), (10, 872011210), (14, 622865150), (20, 436005605), (25, 348804484), (28, 311432575), (35, 249146060), (47, 185534300), (50, 174402242), (70, 124573030), (94, 92767150), (100, 87201121), (127, 68662300), (140, 62286515), (175, 49829212), (188, 46383575), (235, 37106860), (254, 34331150), (329, 26504900), (350, 24914606), (470, 18553430), (508, 17165575), (635, 13732460), (658, 13252450), (700, 12457303), (889, 9808900), (940, 9276715), (1175, 7421372), (1270, 6866230), (1316, 6626225), (1645, 5300980), (1778, 4904450), (2087, 4178300), (2350, 3710686), (2540, 3433115), (3175, 2746492), (3290, 2650490), (3556, 2452225), (4174, 2089150), (4445, 1961780), (4700, 1855343), (5969, 1460900), (6350, 1373246), (6580, 1325245), (8225, 1060196), (8348, 1044575), (8890, 980890), (10435, 835660), (11938, 730450), (12700, 686623), (14609, 596900), (16450, 530098), (17780, 490445), (20870, 417830), (22225, 392356), (23876, 365225), (29218, 298450), (29845, 292180), (32900, 265049), (41740, 208915), (41783, 208700), (44450, 196178), (52175, 167132), (58436, 149225), (59690, 146090), (73045, 119380), (83566, 104350), (88900, 98089)]