16891000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:174

約数の個数: 128

約数和(自身を含む): 47923200

約数和(自身を除く): 31032200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 95, 100, 125, 127, 133, 140, 152, 175, 190, 200, 250, 254, 266, 280, 350, 380, 475, 500, 508, 532, 635, 665, 700, 760, 875, 889, 950, 1000, 1016, 1064, 1270, 1330, 1400, 1750, 1778, 1900, 2375, 2413, 2540, 2660, 3175, 3325, 3500, 3556, 3800, 4445, 4750, 4826, 5080, 5320, 6350, 6650, 7000, 7112, 8890, 9500, 9652, 12065, 12700, 13300, 15875, 16625, 16891, 17780, 19000, 19304, 22225, 24130, 25400, 26600, 31750, 33250, 33782, 35560, 44450, 48260, 60325, 63500, 66500, 67564, 84455, 88900, 96520, 111125, 120650, 127000, 133000, 135128, 168910, 177800, 222250, 241300, 301625, 337820, 422275, 444500, 482600, 603250, 675640, 844550, 889000, 1206500, 1689100, 2111375, 2413000, 3378200, 4222750, 8445500, 16891000]

約数ペア:

[(1, 16891000), (2, 8445500), (4, 4222750), (5, 3378200), (7, 2413000), (8, 2111375), (10, 1689100), (14, 1206500), (19, 889000), (20, 844550), (25, 675640), (28, 603250), (35, 482600), (38, 444500), (40, 422275), (50, 337820), (56, 301625), (70, 241300), (76, 222250), (95, 177800), (100, 168910), (125, 135128), (127, 133000), (133, 127000), (140, 120650), (152, 111125), (175, 96520), (190, 88900), (200, 84455), (250, 67564), (254, 66500), (266, 63500), (280, 60325), (350, 48260), (380, 44450), (475, 35560), (500, 33782), (508, 33250), (532, 31750), (635, 26600), (665, 25400), (700, 24130), (760, 22225), (875, 19304), (889, 19000), (950, 17780), (1000, 16891), (1016, 16625), (1064, 15875), (1270, 13300), (1330, 12700), (1400, 12065), (1750, 9652), (1778, 9500), (1900, 8890), (2375, 7112), (2413, 7000), (2540, 6650), (2660, 6350), (3175, 5320), (3325, 5080), (3500, 4826), (3556, 4750), (3800, 4445)]