1689100

素因数分解:

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

素因数の和:167

約数の個数: 72

約数和(自身を含む): 4444160

約数和(自身を除く): 2755060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 127, 133, 140, 175, 190, 254, 266, 350, 380, 475, 508, 532, 635, 665, 700, 889, 950, 1270, 1330, 1778, 1900, 2413, 2540, 2660, 3175, 3325, 3556, 4445, 4826, 6350, 6650, 8890, 9652, 12065, 12700, 13300, 16891, 17780, 22225, 24130, 33782, 44450, 48260, 60325, 67564, 84455, 88900, 120650, 168910, 241300, 337820, 422275, 844550, 1689100]

約数ペア:

[(1, 1689100), (2, 844550), (4, 422275), (5, 337820), (7, 241300), (10, 168910), (14, 120650), (19, 88900), (20, 84455), (25, 67564), (28, 60325), (35, 48260), (38, 44450), (50, 33782), (70, 24130), (76, 22225), (95, 17780), (100, 16891), (127, 13300), (133, 12700), (140, 12065), (175, 9652), (190, 8890), (254, 6650), (266, 6350), (350, 4826), (380, 4445), (475, 3556), (508, 3325), (532, 3175), (635, 2660), (665, 2540), (700, 2413), (889, 1900), (950, 1778), (1270, 1330)]