256696590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{103091}}^1$

素因数の和:103184

約数の個数: 32

約数和(自身を含む): 623500416

約数和(自身を除く): 366803826

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 103091, 206182, 309273, 515455, 618546, 1030910, 1546365, 3092730, 8556553, 17113106, 25669659, 42782765, 51339318, 85565530, 128348295, 256696590]

約数ペア:

[(1, 256696590), (2, 128348295), (3, 85565530), (5, 51339318), (6, 42782765), (10, 25669659), (15, 17113106), (30, 8556553), (83, 3092730), (166, 1546365), (249, 1030910), (415, 618546), (498, 515455), (830, 309273), (1245, 206182), (2490, 103091)]