30821000

素因数分解:

$2^3\times 5^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:89

約数の個数: 192

約数和(自身を含む): 91231920

約数和(自身を除く): 60410920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 25, 28, 34, 35, 37, 40, 49, 50, 56, 68, 70, 74, 85, 98, 100, 119, 125, 136, 140, 148, 170, 175, 185, 196, 200, 238, 245, 250, 259, 280, 296, 340, 350, 370, 392, 425, 476, 490, 500, 518, 595, 629, 680, 700, 740, 833, 850, 875, 925, 952, 980, 1000, 1036, 1190, 1225, 1258, 1295, 1400, 1480, 1666, 1700, 1750, 1813, 1850, 1960, 2072, 2125, 2380, 2450, 2516, 2590, 2975, 3145, 3332, 3400, 3500, 3626, 3700, 4165, 4250, 4403, 4625, 4760, 4900, 5032, 5180, 5950, 6125, 6290, 6475, 6664, 7000, 7252, 7400, 8330, 8500, 8806, 9065, 9250, 9800, 10360, 11900, 12250, 12580, 12950, 14504, 14875, 15725, 16660, 17000, 17612, 18130, 18500, 20825, 22015, 23800, 24500, 25160, 25900, 29750, 30821, 31450, 32375, 33320, 35224, 36260, 37000, 41650, 44030, 45325, 49000, 51800, 59500, 61642, 62900, 64750, 72520, 78625, 83300, 88060, 90650, 104125, 110075, 119000, 123284, 125800, 129500, 154105, 157250, 166600, 176120, 181300, 208250, 220150, 226625, 246568, 259000, 308210, 314500, 362600, 416500, 440300, 453250, 550375, 616420, 629000, 770525, 833000, 880600, 906500, 1100750, 1232840, 1541050, 1813000, 2201500, 3082100, 3852625, 4403000, 6164200, 7705250, 15410500, 30821000]

約数ペア:

[(1, 30821000), (2, 15410500), (4, 7705250), (5, 6164200), (7, 4403000), (8, 3852625), (10, 3082100), (14, 2201500), (17, 1813000), (20, 1541050), (25, 1232840), (28, 1100750), (34, 906500), (35, 880600), (37, 833000), (40, 770525), (49, 629000), (50, 616420), (56, 550375), (68, 453250), (70, 440300), (74, 416500), (85, 362600), (98, 314500), (100, 308210), (119, 259000), (125, 246568), (136, 226625), (140, 220150), (148, 208250), (170, 181300), (175, 176120), (185, 166600), (196, 157250), (200, 154105), (238, 129500), (245, 125800), (250, 123284), (259, 119000), (280, 110075), (296, 104125), (340, 90650), (350, 88060), (370, 83300), (392, 78625), (425, 72520), (476, 64750), (490, 62900), (500, 61642), (518, 59500), (595, 51800), (629, 49000), (680, 45325), (700, 44030), (740, 41650), (833, 37000), (850, 36260), (875, 35224), (925, 33320), (952, 32375), (980, 31450), (1000, 30821), (1036, 29750), (1190, 25900), (1225, 25160), (1258, 24500), (1295, 23800), (1400, 22015), (1480, 20825), (1666, 18500), (1700, 18130), (1750, 17612), (1813, 17000), (1850, 16660), (1960, 15725), (2072, 14875), (2125, 14504), (2380, 12950), (2450, 12580), (2516, 12250), (2590, 11900), (2975, 10360), (3145, 9800), (3332, 9250), (3400, 9065), (3500, 8806), (3626, 8500), (3700, 8330), (4165, 7400), (4250, 7252), (4403, 7000), (4625, 6664), (4760, 6475), (4900, 6290), (5032, 6125), (5180, 5950)]