1390675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 2031120

約数和(自身を除く): 640445

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 389, 715, 1945, 3575, 4279, 5057, 9725, 21395, 25285, 55627, 106975, 126425, 278135, 1390675]

約数ペア:

[(1, 1390675), (5, 278135), (11, 126425), (13, 106975), (25, 55627), (55, 25285), (65, 21395), (143, 9725), (275, 5057), (325, 4279), (389, 3575), (715, 1945)]