251172030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{194707}}^1$

素因数の和:194760

約数の個数: 32

約数和(自身を含む): 616834944

約数和(自身を除く): 365662914

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 194707, 389414, 584121, 973535, 1168242, 1947070, 2920605, 5841210, 8372401, 16744802, 25117203, 41862005, 50234406, 83724010, 125586015, 251172030]

約数ペア:

[(1, 251172030), (2, 125586015), (3, 83724010), (5, 50234406), (6, 41862005), (10, 25117203), (15, 16744802), (30, 8372401), (43, 5841210), (86, 2920605), (129, 1947070), (215, 1168242), (258, 973535), (430, 584121), (645, 389414), (1290, 194707)]