289462025

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{919}}^1$

素因数の和:1265

約数の個数: 24

約数和(自身を含む): 368934720

約数和(自身を除く): 79472695

約数列:

[1, 5, 25, 43, 215, 293, 919, 1075, 1465, 4595, 7325, 12599, 22975, 39517, 62995, 197585, 269267, 314975, 987925, 1346335, 6731675, 11578481, 57892405, 289462025]

約数ペア:

[(1, 289462025), (5, 57892405), (25, 11578481), (43, 6731675), (215, 1346335), (293, 987925), (919, 314975), (1075, 269267), (1465, 197585), (4595, 62995), (7325, 39517), (12599, 22975)]