51448900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 117258120

約数和(自身を除く): 65809220

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 113, 116, 145, 157, 226, 290, 314, 452, 565, 580, 628, 725, 785, 1130, 1450, 1570, 2260, 2825, 2900, 3140, 3277, 3925, 4553, 5650, 6554, 7850, 9106, 11300, 13108, 15700, 16385, 17741, 18212, 22765, 32770, 35482, 45530, 65540, 70964, 81925, 88705, 91060, 113825, 163850, 177410, 227650, 327700, 354820, 443525, 455300, 514489, 887050, 1028978, 1774100, 2057956, 2572445, 5144890, 10289780, 12862225, 25724450, 51448900]

約数ペア:

[(1, 51448900), (2, 25724450), (4, 12862225), (5, 10289780), (10, 5144890), (20, 2572445), (25, 2057956), (29, 1774100), (50, 1028978), (58, 887050), (100, 514489), (113, 455300), (116, 443525), (145, 354820), (157, 327700), (226, 227650), (290, 177410), (314, 163850), (452, 113825), (565, 91060), (580, 88705), (628, 81925), (725, 70964), (785, 65540), (1130, 45530), (1450, 35482), (1570, 32770), (2260, 22765), (2825, 18212), (2900, 17741), (3140, 16385), (3277, 15700), (3925, 13108), (4553, 11300), (5650, 9106), (6554, 7850)]