6403490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 12130560

約数和(自身を除く): 5727070

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 311, 355, 622, 710, 1555, 2059, 3110, 4118, 9019, 10295, 18038, 20590, 22081, 44162, 45095, 90190, 110405, 220810, 640349, 1280698, 3201745, 6403490]

約数ペア:

[(1, 6403490), (2, 3201745), (5, 1280698), (10, 640349), (29, 220810), (58, 110405), (71, 90190), (142, 45095), (145, 44162), (290, 22081), (311, 20590), (355, 18038), (622, 10295), (710, 9019), (1555, 4118), (2059, 3110)]