28462977.000000000

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:231

約数の個数: 168

約数和(自身を含む): 299337984

約数和(自身を除く): 195166784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 71, 80, 100, 112, 131, 140, 142, 160, 175, 200, 224, 262, 280, 284, 320, 350, 355, 400, 448, 497, 524, 560, 568, 655, 700, 710, 800, 917, 994, 1048, 1120, 1136, 1310, 1400, 1420, 1600, 1775, 1834, 1988, 2096, 2240, 2272, 2485, 2620, 2800, 2840, 3275, 3550, 3668, 3976, 4192, 4544, 4585, 4970, 5240, 5600, 5680, 6550, 7100, 7336, 7952, 8384, 9170, 9301, 9940, 10480, 11200, 11360, 12425, 13100, 14200, 14672, 15904, 18340, 18602, 19880, 20960, 22720, 22925, 24850, 26200, 28400, 29344, 31808, 36680, 37204, 39760, 41920, 45850, 46505, 49700, 52400, 56800, 58688, 65107, 73360, 74408, 79520, 91700, 93010, 99400, 104800, 113600, 130214, 146720, 148816, 159040, 183400, 186020, 198800, 209600, 232525, 260428, 293440, 297632, 325535, 366800, 372040, 397600, 465050, 520856, 595264, 651070, 733600, 744080, 795200, 930100, 1041712, 1302140, 1467200, 1488160, 1627675, 1860200, 2083424, 2604280, 2976320, 3255350, 3720400, 4166848, 5208560, 6510700, 7440800, 10417120, 13021400, 14881600, 20834240, 26042800, 52085600, 104171200]

約数ペア:

[(1, 104171200), (2, 52085600), (4, 26042800), (5, 20834240), (7, 14881600), (8, 13021400), (10, 10417120), (14, 7440800), (16, 6510700), (20, 5208560), (25, 4166848), (28, 3720400), (32, 3255350), (35, 2976320), (40, 2604280), (50, 2083424), (56, 1860200), (64, 1627675), (70, 1488160), (71, 1467200), (80, 1302140), (100, 1041712), (112, 930100), (131, 795200), (140, 744080), (142, 733600), (160, 651070), (175, 595264), (200, 520856), (224, 465050), (262, 397600), (280, 372040), (284, 366800), (320, 325535), (350, 297632), (355, 293440), (400, 260428), (448, 232525), (497, 209600), (524, 198800), (560, 186020), (568, 183400), (655, 159040), (700, 148816), (710, 146720), (800, 130214), (917, 113600), (994, 104800), (1048, 99400), (1120, 93010), (1136, 91700), (1310, 79520), (1400, 74408), (1420, 73360), (1600, 65107), (1775, 58688), (1834, 56800), (1988, 52400), (2096, 49700), (2240, 46505), (2272, 45850), (2485, 41920), (2620, 39760), (2800, 37204), (2840, 36680), (3275, 31808), (3550, 29344), (3668, 28400), (3976, 26200), (4192, 24850), (4544, 22925), (4585, 22720), (4970, 20960), (5240, 19880), (5600, 18602), (5680, 18340), (6550, 15904), (7100, 14672), (7336, 14200), (7952, 13100), (8384, 12425), (9170, 11360), (9301, 11200), (9940, 10480)]