28770100

素因数分解:

$2^2\times 5^2\times {\mathrm{287701}}^1$

素因数の和:287715

約数の個数: 18

約数和(自身を含む): 62431334

約数和(自身を除く): 33661234

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 287701, 575402, 1150804, 1438505, 2877010, 5754020, 7192525, 14385050, 28770100]

約数ペア:

[(1, 28770100), (2, 14385050), (4, 7192525), (5, 5754020), (10, 2877010), (20, 1438505), (25, 1150804), (50, 575402), (100, 287701)]