316000

素因数分解:

$2^5\times 5^3\times {\mathrm{79}}^1$

素因数の和:104

約数の個数: 48

約数和(自身を含む): 786240

約数和(自身を除く): 470240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 125, 158, 160, 200, 250, 316, 395, 400, 500, 632, 790, 800, 1000, 1264, 1580, 1975, 2000, 2528, 3160, 3950, 4000, 6320, 7900, 9875, 12640, 15800, 19750, 31600, 39500, 63200, 79000, 158000, 316000]

約数ペア:

[(1, 316000), (2, 158000), (4, 79000), (5, 63200), (8, 39500), (10, 31600), (16, 19750), (20, 15800), (25, 12640), (32, 9875), (40, 7900), (50, 6320), (79, 4000), (80, 3950), (100, 3160), (125, 2528), (158, 2000), (160, 1975), (200, 1580), (250, 1264), (316, 1000), (395, 800), (400, 790), (500, 632)]