1388828930

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{7649}}^1$

素因数の和:7994

約数の個数: 32

約数和(自身を含む): 2546899200

約数和(自身を除く): 1158070270

約数列:

[1, 2, 5, 10, 67, 134, 271, 335, 542, 670, 1355, 2710, 7649, 15298, 18157, 36314, 38245, 76490, 90785, 181570, 512483, 1024966, 2072879, 2562415, 4145758, 5124830, 10364395, 20728790, 138882893, 277765786, 694414465, 1388828930]

約数ペア:

[(1, 1388828930), (2, 694414465), (5, 277765786), (10, 138882893), (67, 20728790), (134, 10364395), (271, 5124830), (335, 4145758), (542, 2562415), (670, 2072879), (1355, 1024966), (2710, 512483), (7649, 181570), (15298, 90785), (18157, 76490), (36314, 38245)]