2170000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{31}}^1$

素因数の和:66

約数の個数: 100

約数和(自身を含む): 6198016

約数和(自身を除く): 4028016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 125, 140, 155, 175, 200, 217, 248, 250, 280, 310, 350, 400, 434, 496, 500, 560, 620, 625, 700, 775, 868, 875, 1000, 1085, 1240, 1250, 1400, 1550, 1736, 1750, 2000, 2170, 2480, 2500, 2800, 3100, 3472, 3500, 3875, 4340, 4375, 5000, 5425, 6200, 7000, 7750, 8680, 8750, 10000, 10850, 12400, 14000, 15500, 17360, 17500, 19375, 21700, 27125, 31000, 35000, 38750, 43400, 54250, 62000, 70000, 77500, 86800, 108500, 135625, 155000, 217000, 271250, 310000, 434000, 542500, 1085000, 2170000]

約数ペア:

[(1, 2170000), (2, 1085000), (4, 542500), (5, 434000), (7, 310000), (8, 271250), (10, 217000), (14, 155000), (16, 135625), (20, 108500), (25, 86800), (28, 77500), (31, 70000), (35, 62000), (40, 54250), (50, 43400), (56, 38750), (62, 35000), (70, 31000), (80, 27125), (100, 21700), (112, 19375), (124, 17500), (125, 17360), (140, 15500), (155, 14000), (175, 12400), (200, 10850), (217, 10000), (248, 8750), (250, 8680), (280, 7750), (310, 7000), (350, 6200), (400, 5425), (434, 5000), (496, 4375), (500, 4340), (560, 3875), (620, 3500), (625, 3472), (700, 3100), (775, 2800), (868, 2500), (875, 2480), (1000, 2170), (1085, 2000), (1240, 1750), (1250, 1736), (1400, 1550)]