379990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 32

約数和(自身を含む): 766080

約数和(自身を除く): 386090

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 79, 130, 158, 185, 370, 395, 481, 790, 962, 1027, 2054, 2405, 2923, 4810, 5135, 5846, 10270, 14615, 29230, 37999, 75998, 189995, 379990]

約数ペア:

[(1, 379990), (2, 189995), (5, 75998), (10, 37999), (13, 29230), (26, 14615), (37, 10270), (65, 5846), (74, 5135), (79, 4810), (130, 2923), (158, 2405), (185, 2054), (370, 1027), (395, 962), (481, 790)]