221350250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{80491}}^1$

素因数の和:80519

約数の個数: 32

約数和(自身を含む): 452043072

約数和(自身を除く): 230692822

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 80491, 160982, 402455, 804910, 885401, 1770802, 2012275, 4024550, 4427005, 8854010, 10061375, 20122750, 22135025, 44270050, 110675125, 221350250]

約数ペア:

[(1, 221350250), (2, 110675125), (5, 44270050), (10, 22135025), (11, 20122750), (22, 10061375), (25, 8854010), (50, 4427005), (55, 4024550), (110, 2012275), (125, 1770802), (250, 885401), (275, 804910), (550, 402455), (1375, 160982), (2750, 80491)]