28892500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:171

約数の個数: 120

約数和(自身を含む): 78374912

約数和(自身を除く): 49482412

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 125, 127, 130, 140, 175, 182, 250, 254, 260, 325, 350, 364, 455, 500, 508, 625, 635, 650, 700, 875, 889, 910, 1250, 1270, 1300, 1625, 1651, 1750, 1778, 1820, 2275, 2500, 2540, 3175, 3250, 3302, 3500, 3556, 4375, 4445, 4550, 6350, 6500, 6604, 8125, 8255, 8750, 8890, 9100, 11375, 11557, 12700, 15875, 16250, 16510, 17500, 17780, 22225, 22750, 23114, 31750, 32500, 33020, 41275, 44450, 45500, 46228, 56875, 57785, 63500, 79375, 82550, 88900, 111125, 113750, 115570, 158750, 165100, 206375, 222250, 227500, 231140, 288925, 317500, 412750, 444500, 555625, 577850, 825500, 1031875, 1111250, 1155700, 1444625, 2063750, 2222500, 2889250, 4127500, 5778500, 7223125, 14446250, 28892500]

約数ペア:

[(1, 28892500), (2, 14446250), (4, 7223125), (5, 5778500), (7, 4127500), (10, 2889250), (13, 2222500), (14, 2063750), (20, 1444625), (25, 1155700), (26, 1111250), (28, 1031875), (35, 825500), (50, 577850), (52, 555625), (65, 444500), (70, 412750), (91, 317500), (100, 288925), (125, 231140), (127, 227500), (130, 222250), (140, 206375), (175, 165100), (182, 158750), (250, 115570), (254, 113750), (260, 111125), (325, 88900), (350, 82550), (364, 79375), (455, 63500), (500, 57785), (508, 56875), (625, 46228), (635, 45500), (650, 44450), (700, 41275), (875, 33020), (889, 32500), (910, 31750), (1250, 23114), (1270, 22750), (1300, 22225), (1625, 17780), (1651, 17500), (1750, 16510), (1778, 16250), (1820, 15875), (2275, 12700), (2500, 11557), (2540, 11375), (3175, 9100), (3250, 8890), (3302, 8750), (3500, 8255), (3556, 8125), (4375, 6604), (4445, 6500), (4550, 6350)]