2261000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:64

約数の個数: 128

約数和(自身を含む): 6739200

約数和(自身を除く): 4478200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 25, 28, 34, 35, 38, 40, 50, 56, 68, 70, 76, 85, 95, 100, 119, 125, 133, 136, 140, 152, 170, 175, 190, 200, 238, 250, 266, 280, 323, 340, 350, 380, 425, 475, 476, 500, 532, 595, 646, 665, 680, 700, 760, 850, 875, 950, 952, 1000, 1064, 1190, 1292, 1330, 1400, 1615, 1700, 1750, 1900, 2125, 2261, 2375, 2380, 2584, 2660, 2975, 3230, 3325, 3400, 3500, 3800, 4250, 4522, 4750, 4760, 5320, 5950, 6460, 6650, 7000, 8075, 8500, 9044, 9500, 11305, 11900, 12920, 13300, 14875, 16150, 16625, 17000, 18088, 19000, 22610, 23800, 26600, 29750, 32300, 33250, 40375, 45220, 56525, 59500, 64600, 66500, 80750, 90440, 113050, 119000, 133000, 161500, 226100, 282625, 323000, 452200, 565250, 1130500, 2261000]

約数ペア:

[(1, 2261000), (2, 1130500), (4, 565250), (5, 452200), (7, 323000), (8, 282625), (10, 226100), (14, 161500), (17, 133000), (19, 119000), (20, 113050), (25, 90440), (28, 80750), (34, 66500), (35, 64600), (38, 59500), (40, 56525), (50, 45220), (56, 40375), (68, 33250), (70, 32300), (76, 29750), (85, 26600), (95, 23800), (100, 22610), (119, 19000), (125, 18088), (133, 17000), (136, 16625), (140, 16150), (152, 14875), (170, 13300), (175, 12920), (190, 11900), (200, 11305), (238, 9500), (250, 9044), (266, 8500), (280, 8075), (323, 7000), (340, 6650), (350, 6460), (380, 5950), (425, 5320), (475, 4760), (476, 4750), (500, 4522), (532, 4250), (595, 3800), (646, 3500), (665, 3400), (680, 3325), (700, 3230), (760, 2975), (850, 2660), (875, 2584), (950, 2380), (952, 2375), (1000, 2261), (1064, 2125), (1190, 1900), (1292, 1750), (1330, 1700), (1400, 1615)]