1700000

素因数分解:

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

素因数の和:52

約数の個数: 72

約数和(自身を含む): 4429404

約数和(自身を除く): 2729404

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 125, 136, 160, 170, 200, 250, 272, 340, 400, 425, 500, 544, 625, 680, 800, 850, 1000, 1250, 1360, 1700, 2000, 2125, 2500, 2720, 3125, 3400, 4000, 4250, 5000, 6250, 6800, 8500, 10000, 10625, 12500, 13600, 17000, 20000, 21250, 25000, 34000, 42500, 50000, 53125, 68000, 85000, 100000, 106250, 170000, 212500, 340000, 425000, 850000, 1700000]

約数ペア:

[(1, 1700000), (2, 850000), (4, 425000), (5, 340000), (8, 212500), (10, 170000), (16, 106250), (17, 100000), (20, 85000), (25, 68000), (32, 53125), (34, 50000), (40, 42500), (50, 34000), (68, 25000), (80, 21250), (85, 20000), (100, 17000), (125, 13600), (136, 12500), (160, 10625), (170, 10000), (200, 8500), (250, 6800), (272, 6250), (340, 5000), (400, 4250), (425, 4000), (500, 3400), (544, 3125), (625, 2720), (680, 2500), (800, 2125), (850, 2000), (1000, 1700), (1250, 1360)]