78664600

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:402

約数の個数: 144

約数和(自身を含む): 222642000

約数和(自身を除く): 143977400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 49, 50, 56, 70, 92, 98, 100, 115, 140, 161, 175, 184, 196, 200, 230, 245, 280, 322, 349, 350, 392, 460, 490, 575, 644, 698, 700, 805, 920, 980, 1127, 1150, 1225, 1288, 1396, 1400, 1610, 1745, 1960, 2254, 2300, 2443, 2450, 2792, 3220, 3490, 4025, 4508, 4600, 4886, 4900, 5635, 6440, 6980, 8027, 8050, 8725, 9016, 9772, 9800, 11270, 12215, 13960, 16054, 16100, 17101, 17450, 19544, 22540, 24430, 28175, 32108, 32200, 34202, 34900, 40135, 45080, 48860, 56189, 56350, 61075, 64216, 68404, 69800, 80270, 85505, 97720, 112378, 112700, 122150, 136808, 160540, 171010, 200675, 224756, 225400, 244300, 280945, 321080, 342020, 393323, 401350, 427525, 449512, 488600, 561890, 684040, 786646, 802700, 855050, 1123780, 1404725, 1573292, 1605400, 1710100, 1966615, 2247560, 2809450, 3146584, 3420200, 3933230, 5618900, 7866460, 9833075, 11237800, 15732920, 19666150, 39332300, 78664600]

約数ペア:

[(1, 78664600), (2, 39332300), (4, 19666150), (5, 15732920), (7, 11237800), (8, 9833075), (10, 7866460), (14, 5618900), (20, 3933230), (23, 3420200), (25, 3146584), (28, 2809450), (35, 2247560), (40, 1966615), (46, 1710100), (49, 1605400), (50, 1573292), (56, 1404725), (70, 1123780), (92, 855050), (98, 802700), (100, 786646), (115, 684040), (140, 561890), (161, 488600), (175, 449512), (184, 427525), (196, 401350), (200, 393323), (230, 342020), (245, 321080), (280, 280945), (322, 244300), (349, 225400), (350, 224756), (392, 200675), (460, 171010), (490, 160540), (575, 136808), (644, 122150), (698, 112700), (700, 112378), (805, 97720), (920, 85505), (980, 80270), (1127, 69800), (1150, 68404), (1225, 64216), (1288, 61075), (1396, 56350), (1400, 56189), (1610, 48860), (1745, 45080), (1960, 40135), (2254, 34900), (2300, 34202), (2443, 32200), (2450, 32108), (2792, 28175), (3220, 24430), (3490, 22540), (4025, 19544), (4508, 17450), (4600, 17101), (4886, 16100), (4900, 16054), (5635, 13960), (6440, 12215), (6980, 11270), (8027, 9800), (8050, 9772), (8725, 9016)]