28981400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 78090240

約数和(自身を除く): 49108840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 127, 140, 163, 175, 200, 254, 280, 326, 350, 508, 635, 652, 700, 815, 889, 1016, 1141, 1270, 1304, 1400, 1630, 1778, 2282, 2540, 3175, 3260, 3556, 4075, 4445, 4564, 5080, 5705, 6350, 6520, 7112, 8150, 8890, 9128, 11410, 12700, 16300, 17780, 20701, 22225, 22820, 25400, 28525, 32600, 35560, 41402, 44450, 45640, 57050, 82804, 88900, 103505, 114100, 144907, 165608, 177800, 207010, 228200, 289814, 414020, 517525, 579628, 724535, 828040, 1035050, 1159256, 1449070, 2070100, 2898140, 3622675, 4140200, 5796280, 7245350, 14490700, 28981400]

約数ペア:

[(1, 28981400), (2, 14490700), (4, 7245350), (5, 5796280), (7, 4140200), (8, 3622675), (10, 2898140), (14, 2070100), (20, 1449070), (25, 1159256), (28, 1035050), (35, 828040), (40, 724535), (50, 579628), (56, 517525), (70, 414020), (100, 289814), (127, 228200), (140, 207010), (163, 177800), (175, 165608), (200, 144907), (254, 114100), (280, 103505), (326, 88900), (350, 82804), (508, 57050), (635, 45640), (652, 44450), (700, 41402), (815, 35560), (889, 32600), (1016, 28525), (1141, 25400), (1270, 22820), (1304, 22225), (1400, 20701), (1630, 17780), (1778, 16300), (2282, 12700), (2540, 11410), (3175, 9128), (3260, 8890), (3556, 8150), (4075, 7112), (4445, 6520), (4564, 6350), (5080, 5705)]