123722180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{491}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 267309504

約数和(自身を除く): 143587324

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 293, 430, 491, 586, 860, 982, 1172, 1465, 1964, 2455, 2930, 4910, 5860, 9820, 12599, 21113, 25198, 42226, 50396, 62995, 84452, 105565, 125990, 143863, 211130, 251980, 287726, 422260, 575452, 719315, 1438630, 2877260, 6186109, 12372218, 24744436, 30930545, 61861090, 123722180]

約数ペア:

[(1, 123722180), (2, 61861090), (4, 30930545), (5, 24744436), (10, 12372218), (20, 6186109), (43, 2877260), (86, 1438630), (172, 719315), (215, 575452), (293, 422260), (430, 287726), (491, 251980), (586, 211130), (860, 143863), (982, 125990), (1172, 105565), (1465, 84452), (1964, 62995), (2455, 50396), (2930, 42226), (4910, 25198), (5860, 21113), (9820, 12599)]