868000

素因数分解:

$2^5\times 5^3\times 7^1\times {\mathrm{31}}^1$

素因数の和:63

約数の個数: 96

約数和(自身を含む): 2515968

約数和(自身を除く): 1647968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 125, 140, 155, 160, 175, 200, 217, 224, 248, 250, 280, 310, 350, 400, 434, 496, 500, 560, 620, 700, 775, 800, 868, 875, 992, 1000, 1085, 1120, 1240, 1400, 1550, 1736, 1750, 2000, 2170, 2480, 2800, 3100, 3472, 3500, 3875, 4000, 4340, 4960, 5425, 5600, 6200, 6944, 7000, 7750, 8680, 10850, 12400, 14000, 15500, 17360, 21700, 24800, 27125, 28000, 31000, 34720, 43400, 54250, 62000, 86800, 108500, 124000, 173600, 217000, 434000, 868000]

約数ペア:

[(1, 868000), (2, 434000), (4, 217000), (5, 173600), (7, 124000), (8, 108500), (10, 86800), (14, 62000), (16, 54250), (20, 43400), (25, 34720), (28, 31000), (31, 28000), (32, 27125), (35, 24800), (40, 21700), (50, 17360), (56, 15500), (62, 14000), (70, 12400), (80, 10850), (100, 8680), (112, 7750), (124, 7000), (125, 6944), (140, 6200), (155, 5600), (160, 5425), (175, 4960), (200, 4340), (217, 4000), (224, 3875), (248, 3500), (250, 3472), (280, 3100), (310, 2800), (350, 2480), (400, 2170), (434, 2000), (496, 1750), (500, 1736), (560, 1550), (620, 1400), (700, 1240), (775, 1120), (800, 1085), (868, 1000), (875, 992)]