1284173900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{675881}}^1$

素因数の和:675914

約数の個数: 36

約数和(自身を含む): 2933327880

約数和(自身を除く): 1649153980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 675881, 1351762, 2703524, 3379405, 6758810, 12841739, 13517620, 16897025, 25683478, 33794050, 51366956, 64208695, 67588100, 128417390, 256834780, 321043475, 642086950, 1284173900]

約数ペア:

[(1, 1284173900), (2, 642086950), (4, 321043475), (5, 256834780), (10, 128417390), (19, 67588100), (20, 64208695), (25, 51366956), (38, 33794050), (50, 25683478), (76, 16897025), (95, 13517620), (100, 12841739), (190, 6758810), (380, 3379405), (475, 2703524), (950, 1351762), (1900, 675881)]