4340000

素因数分解:

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

素因数の和:68

約数の個数: 120

約数和(自身を含む): 12595968

約数和(自身を除く): 8255968

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, 625, 700, 775, 800, 868, 875, 992, 1000, 1085, 1120, 1240, 1250, 1400, 1550, 1736, 1750, 2000, 2170, 2480, 2500, 2800, 3100, 3472, 3500, 3875, 4000, 4340, 4375, 4960, 5000, 5425, 5600, 6200, 6944, 7000, 7750, 8680, 8750, 10000, 10850, 12400, 14000, 15500, 17360, 17500, 19375, 20000, 21700, 24800, 27125, 28000, 31000, 34720, 35000, 38750, 43400, 54250, 62000, 70000, 77500, 86800, 108500, 124000, 135625, 140000, 155000, 173600, 217000, 271250, 310000, 434000, 542500, 620000, 868000, 1085000, 2170000, 4340000]

約数ペア:

[(1, 4340000), (2, 2170000), (4, 1085000), (5, 868000), (7, 620000), (8, 542500), (10, 434000), (14, 310000), (16, 271250), (20, 217000), (25, 173600), (28, 155000), (31, 140000), (32, 135625), (35, 124000), (40, 108500), (50, 86800), (56, 77500), (62, 70000), (70, 62000), (80, 54250), (100, 43400), (112, 38750), (124, 35000), (125, 34720), (140, 31000), (155, 28000), (160, 27125), (175, 24800), (200, 21700), (217, 20000), (224, 19375), (248, 17500), (250, 17360), (280, 15500), (310, 14000), (350, 12400), (400, 10850), (434, 10000), (496, 8750), (500, 8680), (560, 7750), (620, 7000), (625, 6944), (700, 6200), (775, 5600), (800, 5425), (868, 5000), (875, 4960), (992, 4375), (1000, 4340), (1085, 4000), (1120, 3875), (1240, 3500), (1250, 3472), (1400, 3100), (1550, 2800), (1736, 2500), (1750, 2480), (2000, 2170)]