189007220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{129457}}^1$

素因数の和:129539

約数の個数: 24

約数和(自身を含む): 402355464

約数和(自身を除く): 213348244

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 129457, 258914, 517828, 647285, 1294570, 2589140, 9450361, 18900722, 37801444, 47251805, 94503610, 189007220]

約数ペア:

[(1, 189007220), (2, 94503610), (4, 47251805), (5, 37801444), (10, 18900722), (20, 9450361), (73, 2589140), (146, 1294570), (292, 647285), (365, 517828), (730, 258914), (1460, 129457)]