90556900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{18481}}^1$

素因数の和:18509

約数の個数: 54

約数和(自身を含む): 228603858

約数和(自身を除く): 138046958

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 18481, 36962, 73924, 92405, 129367, 184810, 258734, 369620, 462025, 517468, 646835, 905569, 924050, 1293670, 1811138, 1848100, 2587340, 3234175, 3622276, 4527845, 6468350, 9055690, 12936700, 18111380, 22639225, 45278450, 90556900]

約数ペア:

[(1, 90556900), (2, 45278450), (4, 22639225), (5, 18111380), (7, 12936700), (10, 9055690), (14, 6468350), (20, 4527845), (25, 3622276), (28, 3234175), (35, 2587340), (49, 1848100), (50, 1811138), (70, 1293670), (98, 924050), (100, 905569), (140, 646835), (175, 517468), (196, 462025), (245, 369620), (350, 258734), (490, 184810), (700, 129367), (980, 92405), (1225, 73924), (2450, 36962), (4900, 18481)]