399230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 32

約数和(自身を含む): 804384

約数和(自身を除く): 405154

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 83, 130, 166, 185, 370, 415, 481, 830, 962, 1079, 2158, 2405, 3071, 4810, 5395, 6142, 10790, 15355, 30710, 39923, 79846, 199615, 399230]

約数ペア:

[(1, 399230), (2, 199615), (5, 79846), (10, 39923), (13, 30710), (26, 15355), (37, 10790), (65, 6142), (74, 5395), (83, 4810), (130, 3071), (166, 2405), (185, 2158), (370, 1079), (415, 962), (481, 830)]