3857000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:76

約数の個数: 128

約数和(自身を含む): 11232000

約数和(自身を除く): 7375000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 29, 35, 38, 40, 50, 56, 58, 70, 76, 95, 100, 116, 125, 133, 140, 145, 152, 175, 190, 200, 203, 232, 250, 266, 280, 290, 350, 380, 406, 475, 500, 532, 551, 580, 665, 700, 725, 760, 812, 875, 950, 1000, 1015, 1064, 1102, 1160, 1330, 1400, 1450, 1624, 1750, 1900, 2030, 2204, 2375, 2660, 2755, 2900, 3325, 3500, 3625, 3800, 3857, 4060, 4408, 4750, 5075, 5320, 5510, 5800, 6650, 7000, 7250, 7714, 8120, 9500, 10150, 11020, 13300, 13775, 14500, 15428, 16625, 19000, 19285, 20300, 22040, 25375, 26600, 27550, 29000, 30856, 33250, 38570, 40600, 50750, 55100, 66500, 68875, 77140, 96425, 101500, 110200, 133000, 137750, 154280, 192850, 203000, 275500, 385700, 482125, 551000, 771400, 964250, 1928500, 3857000]

約数ペア:

[(1, 3857000), (2, 1928500), (4, 964250), (5, 771400), (7, 551000), (8, 482125), (10, 385700), (14, 275500), (19, 203000), (20, 192850), (25, 154280), (28, 137750), (29, 133000), (35, 110200), (38, 101500), (40, 96425), (50, 77140), (56, 68875), (58, 66500), (70, 55100), (76, 50750), (95, 40600), (100, 38570), (116, 33250), (125, 30856), (133, 29000), (140, 27550), (145, 26600), (152, 25375), (175, 22040), (190, 20300), (200, 19285), (203, 19000), (232, 16625), (250, 15428), (266, 14500), (280, 13775), (290, 13300), (350, 11020), (380, 10150), (406, 9500), (475, 8120), (500, 7714), (532, 7250), (551, 7000), (580, 6650), (665, 5800), (700, 5510), (725, 5320), (760, 5075), (812, 4750), (875, 4408), (950, 4060), (1000, 3857), (1015, 3800), (1064, 3625), (1102, 3500), (1160, 3325), (1330, 2900), (1400, 2755), (1450, 2660), (1624, 2375), (1750, 2204), (1900, 2030)]