389772870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{20269}}^1$

素因数の和:20920

約数の個数: 32

約数和(自身を含む): 936960480

約数和(自身を除く): 547187610

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 641, 1282, 1923, 3205, 3846, 6410, 9615, 19230, 20269, 40538, 60807, 101345, 121614, 202690, 304035, 608070, 12992429, 25984858, 38977287, 64962145, 77954574, 129924290, 194886435, 389772870]

約数ペア:

[(1, 389772870), (2, 194886435), (3, 129924290), (5, 77954574), (6, 64962145), (10, 38977287), (15, 25984858), (30, 12992429), (641, 608070), (1282, 304035), (1923, 202690), (3205, 121614), (3846, 101345), (6410, 60807), (9615, 40538), (19230, 20269)]