12691000

素因数分解:

$2^3\times 5^3\times 7^3\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 128

約数和(自身を含む): 35568000

約数和(自身を除く): 22877000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 37, 40, 49, 50, 56, 70, 74, 98, 100, 125, 140, 148, 175, 185, 196, 200, 245, 250, 259, 280, 296, 343, 350, 370, 392, 490, 500, 518, 686, 700, 740, 875, 925, 980, 1000, 1036, 1225, 1295, 1372, 1400, 1480, 1715, 1750, 1813, 1850, 1960, 2072, 2450, 2590, 2744, 3430, 3500, 3626, 3700, 4625, 4900, 5180, 6125, 6475, 6860, 7000, 7252, 7400, 8575, 9065, 9250, 9800, 10360, 12250, 12691, 12950, 13720, 14504, 17150, 18130, 18500, 24500, 25382, 25900, 32375, 34300, 36260, 37000, 42875, 45325, 49000, 50764, 51800, 63455, 64750, 68600, 72520, 85750, 90650, 101528, 126910, 129500, 171500, 181300, 226625, 253820, 259000, 317275, 343000, 362600, 453250, 507640, 634550, 906500, 1269100, 1586375, 1813000, 2538200, 3172750, 6345500, 12691000]

約数ペア:

[(1, 12691000), (2, 6345500), (4, 3172750), (5, 2538200), (7, 1813000), (8, 1586375), (10, 1269100), (14, 906500), (20, 634550), (25, 507640), (28, 453250), (35, 362600), (37, 343000), (40, 317275), (49, 259000), (50, 253820), (56, 226625), (70, 181300), (74, 171500), (98, 129500), (100, 126910), (125, 101528), (140, 90650), (148, 85750), (175, 72520), (185, 68600), (196, 64750), (200, 63455), (245, 51800), (250, 50764), (259, 49000), (280, 45325), (296, 42875), (343, 37000), (350, 36260), (370, 34300), (392, 32375), (490, 25900), (500, 25382), (518, 24500), (686, 18500), (700, 18130), (740, 17150), (875, 14504), (925, 13720), (980, 12950), (1000, 12691), (1036, 12250), (1225, 10360), (1295, 9800), (1372, 9250), (1400, 9065), (1480, 8575), (1715, 7400), (1750, 7252), (1813, 7000), (1850, 6860), (1960, 6475), (2072, 6125), (2450, 5180), (2590, 4900), (2744, 4625), (3430, 3700), (3500, 3626)]