90655090

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1\times {\mathrm{457}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 166199040

約数和(自身を除く): 75543950

約数列:

[1, 2, 5, 10, 83, 166, 239, 415, 457, 478, 830, 914, 1195, 2285, 2390, 4570, 19837, 37931, 39674, 75862, 99185, 109223, 189655, 198370, 218446, 379310, 546115, 1092230, 9065509, 18131018, 45327545, 90655090]

約数ペア:

[(1, 90655090), (2, 45327545), (5, 18131018), (10, 9065509), (83, 1092230), (166, 546115), (239, 379310), (415, 218446), (457, 198370), (478, 189655), (830, 109223), (914, 99185), (1195, 75862), (2285, 39674), (2390, 37931), (4570, 19837)]