253291250

素因数分解:

$2^1\times 5^4\times {\mathrm{97}}^1\times {\mathrm{2089}}^1$

素因数の和:2208

約数の個数: 40

約数和(自身を含む): 479893260

約数和(自身を除く): 226602010

約数列:

[1, 2, 5, 10, 25, 50, 97, 125, 194, 250, 485, 625, 970, 1250, 2089, 2425, 4178, 4850, 10445, 12125, 20890, 24250, 52225, 60625, 104450, 121250, 202633, 261125, 405266, 522250, 1013165, 1305625, 2026330, 2611250, 5065825, 10131650, 25329125, 50658250, 126645625, 253291250]

約数ペア:

[(1, 253291250), (2, 126645625), (5, 50658250), (10, 25329125), (25, 10131650), (50, 5065825), (97, 2611250), (125, 2026330), (194, 1305625), (250, 1013165), (485, 522250), (625, 405266), (970, 261125), (1250, 202633), (2089, 121250), (2425, 104450), (4178, 60625), (4850, 52225), (10445, 24250), (12125, 20890)]