100802800

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 180

約数和(自身を含む): 291413640

約数和(自身を除く): 190610840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 37, 40, 49, 50, 56, 70, 74, 80, 98, 100, 112, 139, 140, 148, 175, 185, 196, 200, 245, 259, 278, 280, 296, 350, 370, 392, 400, 490, 518, 556, 560, 592, 695, 700, 740, 784, 925, 973, 980, 1036, 1112, 1225, 1295, 1390, 1400, 1480, 1813, 1850, 1946, 1960, 2072, 2224, 2450, 2590, 2780, 2800, 2960, 3475, 3626, 3700, 3892, 3920, 4144, 4865, 4900, 5143, 5180, 5560, 6475, 6811, 6950, 7252, 7400, 7784, 9065, 9730, 9800, 10286, 10360, 11120, 12950, 13622, 13900, 14504, 14800, 15568, 18130, 19460, 19600, 20572, 20720, 24325, 25715, 25900, 27244, 27800, 29008, 34055, 36001, 36260, 38920, 41144, 45325, 48650, 51430, 51800, 54488, 55600, 68110, 72002, 72520, 77840, 82288, 90650, 97300, 102860, 103600, 108976, 128575, 136220, 144004, 145040, 170275, 180005, 181300, 194600, 205720, 252007, 257150, 272440, 288008, 340550, 360010, 362600, 389200, 411440, 504014, 514300, 544880, 576016, 681100, 720020, 725200, 900025, 1008028, 1028600, 1260035, 1362200, 1440040, 1800050, 2016056, 2057200, 2520070, 2724400, 2880080, 3600100, 4032112, 5040140, 6300175, 7200200, 10080280, 12600350, 14400400, 20160560, 25200700, 50401400, 100802800]

約数ペア:

[(1, 100802800), (2, 50401400), (4, 25200700), (5, 20160560), (7, 14400400), (8, 12600350), (10, 10080280), (14, 7200200), (16, 6300175), (20, 5040140), (25, 4032112), (28, 3600100), (35, 2880080), (37, 2724400), (40, 2520070), (49, 2057200), (50, 2016056), (56, 1800050), (70, 1440040), (74, 1362200), (80, 1260035), (98, 1028600), (100, 1008028), (112, 900025), (139, 725200), (140, 720020), (148, 681100), (175, 576016), (185, 544880), (196, 514300), (200, 504014), (245, 411440), (259, 389200), (278, 362600), (280, 360010), (296, 340550), (350, 288008), (370, 272440), (392, 257150), (400, 252007), (490, 205720), (518, 194600), (556, 181300), (560, 180005), (592, 170275), (695, 145040), (700, 144004), (740, 136220), (784, 128575), (925, 108976), (973, 103600), (980, 102860), (1036, 97300), (1112, 90650), (1225, 82288), (1295, 77840), (1390, 72520), (1400, 72002), (1480, 68110), (1813, 55600), (1850, 54488), (1946, 51800), (1960, 51430), (2072, 48650), (2224, 45325), (2450, 41144), (2590, 38920), (2780, 36260), (2800, 36001), (2960, 34055), (3475, 29008), (3626, 27800), (3700, 27244), (3892, 25900), (3920, 25715), (4144, 24325), (4865, 20720), (4900, 20572), (5143, 19600), (5180, 19460), (5560, 18130), (6475, 15568), (6811, 14800), (6950, 14504), (7252, 13900), (7400, 13622), (7784, 12950), (9065, 11120), (9730, 10360), (9800, 10286)]