1257230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 2570400

約数和(自身を除く): 1313170

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 509, 1018, 1235, 2470, 2545, 5090, 6617, 9671, 13234, 19342, 33085, 48355, 66170, 96710, 125723, 251446, 628615, 1257230]

約数ペア:

[(1, 1257230), (2, 628615), (5, 251446), (10, 125723), (13, 96710), (19, 66170), (26, 48355), (38, 33085), (65, 19342), (95, 13234), (130, 9671), (190, 6617), (247, 5090), (494, 2545), (509, 2470), (1018, 1235)]