257425250

素因数分解:

$2^1\times 5^3\times {\mathrm{353}}^1\times {\mathrm{2917}}^1$

素因数の和:3287

約数の個数: 32

約数和(自身を含む): 483430896

約数和(自身を除く): 226005646

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 353, 706, 1765, 2917, 3530, 5834, 8825, 14585, 17650, 29170, 44125, 72925, 88250, 145850, 364625, 729250, 1029701, 2059402, 5148505, 10297010, 25742525, 51485050, 128712625, 257425250]

約数ペア:

[(1, 257425250), (2, 128712625), (5, 51485050), (10, 25742525), (25, 10297010), (50, 5148505), (125, 2059402), (250, 1029701), (353, 729250), (706, 364625), (1765, 145850), (2917, 88250), (3530, 72925), (5834, 44125), (8825, 29170), (14585, 17650)]