290050105

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 381312000

約数和(自身を除く): 91261895

約数列:

[1, 5, 19, 31, 95, 149, 155, 589, 661, 745, 2831, 2945, 3305, 4619, 12559, 14155, 20491, 23095, 62795, 87761, 98489, 102455, 389329, 438805, 492445, 1871291, 1946645, 3053159, 9356455, 15265795, 58010021, 290050105]

約数ペア:

[(1, 290050105), (5, 58010021), (19, 15265795), (31, 9356455), (95, 3053159), (149, 1946645), (155, 1871291), (589, 492445), (661, 438805), (745, 389329), (2831, 102455), (2945, 98489), (3305, 87761), (4619, 62795), (12559, 23095), (14155, 20491)]