11991800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{3527}}^1$

素因数の和:3560

約数の個数: 48

約数和(自身を含む): 29529360

約数和(自身を除く): 17537560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 3527, 7054, 14108, 17635, 28216, 35270, 59959, 70540, 88175, 119918, 141080, 176350, 239836, 299795, 352700, 479672, 599590, 705400, 1199180, 1498975, 2398360, 2997950, 5995900, 11991800]

約数ペア:

[(1, 11991800), (2, 5995900), (4, 2997950), (5, 2398360), (8, 1498975), (10, 1199180), (17, 705400), (20, 599590), (25, 479672), (34, 352700), (40, 299795), (50, 239836), (68, 176350), (85, 141080), (100, 119918), (136, 88175), (170, 70540), (200, 59959), (340, 35270), (425, 28216), (680, 17635), (850, 14108), (1700, 7054), (3400, 3527)]