629000

素因数分解:

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

素因数の和:75

約数の個数: 64

約数和(自身を含む): 1600560

約数和(自身を除く): 971560

約数列:

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

約数ペア:

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