149716520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{70621}}^1$

素因数の和:70685

約数の個数: 32

約数和(自身を含む): 343222920

約数和(自身を除く): 193506400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 70621, 141242, 282484, 353105, 564968, 706210, 1412420, 2824840, 3742913, 7485826, 14971652, 18714565, 29943304, 37429130, 74858260, 149716520]

約数ペア:

[(1, 149716520), (2, 74858260), (4, 37429130), (5, 29943304), (8, 18714565), (10, 14971652), (20, 7485826), (40, 3742913), (53, 2824840), (106, 1412420), (212, 706210), (265, 564968), (424, 353105), (530, 282484), (1060, 141242), (2120, 70621)]