193178420

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{144163}}^1$

素因数の和:144239

約数の個数: 24

約数和(自身を含む): 411732384

約数和(自身を除く): 218553964

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 144163, 288326, 576652, 720815, 1441630, 2883260, 9658921, 19317842, 38635684, 48294605, 96589210, 193178420]

約数ペア:

[(1, 193178420), (2, 96589210), (4, 48294605), (5, 38635684), (10, 19317842), (20, 9658921), (67, 2883260), (134, 1441630), (268, 720815), (335, 576652), (670, 288326), (1340, 144163)]