201920500

素因数分解:

$2^2\times 5^3\times {\mathrm{283}}^1\times {\mathrm{1427}}^1$

素因数の和:1729

約数の個数: 48

約数和(自身を含む): 442862784

約数和(自身を除く): 240942284

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 283, 500, 566, 1132, 1415, 1427, 2830, 2854, 5660, 5708, 7075, 7135, 14150, 14270, 28300, 28540, 35375, 35675, 70750, 71350, 141500, 142700, 178375, 356750, 403841, 713500, 807682, 1615364, 2019205, 4038410, 8076820, 10096025, 20192050, 40384100, 50480125, 100960250, 201920500]

約数ペア:

[(1, 201920500), (2, 100960250), (4, 50480125), (5, 40384100), (10, 20192050), (20, 10096025), (25, 8076820), (50, 4038410), (100, 2019205), (125, 1615364), (250, 807682), (283, 713500), (500, 403841), (566, 356750), (1132, 178375), (1415, 142700), (1427, 141500), (2830, 71350), (2854, 70750), (5660, 35675), (5708, 35375), (7075, 28540), (7135, 28300), (14150, 14270)]