1258000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:77

約数の個数: 80

約数和(自身を含む): 3307824

約数和(自身を除く): 2049824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 37, 40, 50, 68, 74, 80, 85, 100, 125, 136, 148, 170, 185, 200, 250, 272, 296, 340, 370, 400, 425, 500, 592, 629, 680, 740, 850, 925, 1000, 1258, 1360, 1480, 1700, 1850, 2000, 2125, 2516, 2960, 3145, 3400, 3700, 4250, 4625, 5032, 6290, 6800, 7400, 8500, 9250, 10064, 12580, 14800, 15725, 17000, 18500, 25160, 31450, 34000, 37000, 50320, 62900, 74000, 78625, 125800, 157250, 251600, 314500, 629000, 1258000]

約数ペア:

[(1, 1258000), (2, 629000), (4, 314500), (5, 251600), (8, 157250), (10, 125800), (16, 78625), (17, 74000), (20, 62900), (25, 50320), (34, 37000), (37, 34000), (40, 31450), (50, 25160), (68, 18500), (74, 17000), (80, 15725), (85, 14800), (100, 12580), (125, 10064), (136, 9250), (148, 8500), (170, 7400), (185, 6800), (200, 6290), (250, 5032), (272, 4625), (296, 4250), (340, 3700), (370, 3400), (400, 3145), (425, 2960), (500, 2516), (592, 2125), (629, 2000), (680, 1850), (740, 1700), (850, 1480), (925, 1360), (1000, 1258)]