1240000

素因数分解:

$2^6\times 5^4\times {\mathrm{31}}^1$

素因数の和:63

約数の個数: 70

約数和(自身を含む): 3173984

約数和(自身を除く): 1933984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 155, 160, 200, 248, 250, 310, 320, 400, 496, 500, 620, 625, 775, 800, 992, 1000, 1240, 1250, 1550, 1600, 1984, 2000, 2480, 2500, 3100, 3875, 4000, 4960, 5000, 6200, 7750, 8000, 9920, 10000, 12400, 15500, 19375, 20000, 24800, 31000, 38750, 40000, 49600, 62000, 77500, 124000, 155000, 248000, 310000, 620000, 1240000]

約数ペア:

[(1, 1240000), (2, 620000), (4, 310000), (5, 248000), (8, 155000), (10, 124000), (16, 77500), (20, 62000), (25, 49600), (31, 40000), (32, 38750), (40, 31000), (50, 24800), (62, 20000), (64, 19375), (80, 15500), (100, 12400), (124, 10000), (125, 9920), (155, 8000), (160, 7750), (200, 6200), (248, 5000), (250, 4960), (310, 4000), (320, 3875), (400, 3100), (496, 2500), (500, 2480), (620, 2000), (625, 1984), (775, 1600), (800, 1550), (992, 1250), (1000, 1240)]