1266500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:185

約数の個数: 48

約数和(自身を含む): 2948400

約数和(自身を除く): 1681900

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 149, 170, 250, 298, 340, 425, 500, 596, 745, 850, 1490, 1700, 2125, 2533, 2980, 3725, 4250, 5066, 7450, 8500, 10132, 12665, 14900, 18625, 25330, 37250, 50660, 63325, 74500, 126650, 253300, 316625, 633250, 1266500]

約数ペア:

[(1, 1266500), (2, 633250), (4, 316625), (5, 253300), (10, 126650), (17, 74500), (20, 63325), (25, 50660), (34, 37250), (50, 25330), (68, 18625), (85, 14900), (100, 12665), (125, 10132), (149, 8500), (170, 7450), (250, 5066), (298, 4250), (340, 3725), (425, 2980), (500, 2533), (596, 2125), (745, 1700), (850, 1490)]