253640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 605880

約数和(自身を除く): 352240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 373, 680, 746, 1492, 1865, 2984, 3730, 6341, 7460, 12682, 14920, 25364, 31705, 50728, 63410, 126820, 253640]

約数ペア:

[(1, 253640), (2, 126820), (4, 63410), (5, 50728), (8, 31705), (10, 25364), (17, 14920), (20, 12682), (34, 7460), (40, 6341), (68, 3730), (85, 2984), (136, 1865), (170, 1492), (340, 746), (373, 680)]