688090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:166

約数の個数: 32

約数和(自身を含む): 1370880

約数和(自身を除く): 682790

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 79, 130, 134, 158, 335, 395, 670, 790, 871, 1027, 1742, 2054, 4355, 5135, 5293, 8710, 10270, 10586, 26465, 52930, 68809, 137618, 344045, 688090]

約数ペア:

[(1, 688090), (2, 344045), (5, 137618), (10, 68809), (13, 52930), (26, 26465), (65, 10586), (67, 10270), (79, 8710), (130, 5293), (134, 5135), (158, 4355), (335, 2054), (395, 1742), (670, 1027), (790, 871)]