25200700

素因数分解:

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

素因数の和:204

約数の個数: 108

約数和(自身を含む): 65803080

約数和(自身を除く): 40602380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 49, 50, 70, 74, 98, 100, 139, 140, 148, 175, 185, 196, 245, 259, 278, 350, 370, 490, 518, 556, 695, 700, 740, 925, 973, 980, 1036, 1225, 1295, 1390, 1813, 1850, 1946, 2450, 2590, 2780, 3475, 3626, 3700, 3892, 4865, 4900, 5143, 5180, 6475, 6811, 6950, 7252, 9065, 9730, 10286, 12950, 13622, 13900, 18130, 19460, 20572, 24325, 25715, 25900, 27244, 34055, 36001, 36260, 45325, 48650, 51430, 68110, 72002, 90650, 97300, 102860, 128575, 136220, 144004, 170275, 180005, 181300, 252007, 257150, 340550, 360010, 504014, 514300, 681100, 720020, 900025, 1008028, 1260035, 1800050, 2520070, 3600100, 5040140, 6300175, 12600350, 25200700]

約数ペア:

[(1, 25200700), (2, 12600350), (4, 6300175), (5, 5040140), (7, 3600100), (10, 2520070), (14, 1800050), (20, 1260035), (25, 1008028), (28, 900025), (35, 720020), (37, 681100), (49, 514300), (50, 504014), (70, 360010), (74, 340550), (98, 257150), (100, 252007), (139, 181300), (140, 180005), (148, 170275), (175, 144004), (185, 136220), (196, 128575), (245, 102860), (259, 97300), (278, 90650), (350, 72002), (370, 68110), (490, 51430), (518, 48650), (556, 45325), (695, 36260), (700, 36001), (740, 34055), (925, 27244), (973, 25900), (980, 25715), (1036, 24325), (1225, 20572), (1295, 19460), (1390, 18130), (1813, 13900), (1850, 13622), (1946, 12950), (2450, 10286), (2590, 9730), (2780, 9065), (3475, 7252), (3626, 6950), (3700, 6811), (3892, 6475), (4865, 5180), (4900, 5143)]