155963800

素因数分解:

$2^3\times 5^2\times {\mathrm{157}}^1\times {\mathrm{4967}}^1$

素因数の和:5140

約数の個数: 48

約数和(自身を含む): 364998960

約数和(自身を除く): 209035160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 157, 200, 314, 628, 785, 1256, 1570, 3140, 3925, 4967, 6280, 7850, 9934, 15700, 19868, 24835, 31400, 39736, 49670, 99340, 124175, 198680, 248350, 496700, 779819, 993400, 1559638, 3119276, 3899095, 6238552, 7798190, 15596380, 19495475, 31192760, 38990950, 77981900, 155963800]

約数ペア:

[(1, 155963800), (2, 77981900), (4, 38990950), (5, 31192760), (8, 19495475), (10, 15596380), (20, 7798190), (25, 6238552), (40, 3899095), (50, 3119276), (100, 1559638), (157, 993400), (200, 779819), (314, 496700), (628, 248350), (785, 198680), (1256, 124175), (1570, 99340), (3140, 49670), (3925, 39736), (4967, 31400), (6280, 24835), (7850, 19868), (9934, 15700)]