28714700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 79994880

約数和(自身を除く): 51280180

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 25, 28, 34, 35, 38, 50, 68, 70, 76, 85, 95, 100, 119, 127, 133, 140, 170, 175, 190, 238, 254, 266, 323, 340, 350, 380, 425, 475, 476, 508, 532, 595, 635, 646, 665, 700, 850, 889, 950, 1190, 1270, 1292, 1330, 1615, 1700, 1778, 1900, 2159, 2261, 2380, 2413, 2540, 2660, 2975, 3175, 3230, 3325, 3556, 4318, 4445, 4522, 4826, 5950, 6350, 6460, 6650, 8075, 8636, 8890, 9044, 9652, 10795, 11305, 11900, 12065, 12700, 13300, 15113, 16150, 16891, 17780, 21590, 22225, 22610, 24130, 30226, 32300, 33782, 41021, 43180, 44450, 45220, 48260, 53975, 56525, 60325, 60452, 67564, 75565, 82042, 84455, 88900, 107950, 113050, 120650, 151130, 164084, 168910, 205105, 215900, 226100, 241300, 287147, 302260, 337820, 377825, 410210, 422275, 574294, 755650, 820420, 844550, 1025525, 1148588, 1435735, 1511300, 1689100, 2051050, 2871470, 4102100, 5742940, 7178675, 14357350, 28714700]

約数ペア:

[(1, 28714700), (2, 14357350), (4, 7178675), (5, 5742940), (7, 4102100), (10, 2871470), (14, 2051050), (17, 1689100), (19, 1511300), (20, 1435735), (25, 1148588), (28, 1025525), (34, 844550), (35, 820420), (38, 755650), (50, 574294), (68, 422275), (70, 410210), (76, 377825), (85, 337820), (95, 302260), (100, 287147), (119, 241300), (127, 226100), (133, 215900), (140, 205105), (170, 168910), (175, 164084), (190, 151130), (238, 120650), (254, 113050), (266, 107950), (323, 88900), (340, 84455), (350, 82042), (380, 75565), (425, 67564), (475, 60452), (476, 60325), (508, 56525), (532, 53975), (595, 48260), (635, 45220), (646, 44450), (665, 43180), (700, 41021), (850, 33782), (889, 32300), (950, 30226), (1190, 24130), (1270, 22610), (1292, 22225), (1330, 21590), (1615, 17780), (1700, 16891), (1778, 16150), (1900, 15113), (2159, 13300), (2261, 12700), (2380, 12065), (2413, 11900), (2540, 11305), (2660, 10795), (2975, 9652), (3175, 9044), (3230, 8890), (3325, 8636), (3556, 8075), (4318, 6650), (4445, 6460), (4522, 6350), (4826, 5950)]