1381490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 2859840

約数和(自身を除く): 1478350

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 661, 1045, 1322, 2090, 3305, 6610, 7271, 12559, 14542, 25118, 36355, 62795, 72710, 125590, 138149, 276298, 690745, 1381490]

約数ペア:

[(1, 1381490), (2, 690745), (5, 276298), (10, 138149), (11, 125590), (19, 72710), (22, 62795), (38, 36355), (55, 25118), (95, 14542), (110, 12559), (190, 7271), (209, 6610), (418, 3305), (661, 2090), (1045, 1322)]