189803080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{153067}}^1$

素因数の和:153109

約数の個数: 32

約数和(自身を含む): 440835840

約数和(自身を除く): 251032760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 153067, 306134, 612268, 765335, 1224536, 1530670, 3061340, 4745077, 6122680, 9490154, 18980308, 23725385, 37960616, 47450770, 94901540, 189803080]

約数ペア:

[(1, 189803080), (2, 94901540), (4, 47450770), (5, 37960616), (8, 23725385), (10, 18980308), (20, 9490154), (31, 6122680), (40, 4745077), (62, 3061340), (124, 1530670), (155, 1224536), (248, 765335), (310, 612268), (620, 306134), (1240, 153067)]