1980748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 4435200

約数和(自身を除く): 2454452

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 59, 77, 109, 118, 154, 218, 236, 308, 413, 436, 649, 763, 826, 1199, 1298, 1526, 1652, 2398, 2596, 3052, 4543, 4796, 6431, 8393, 9086, 12862, 16786, 18172, 25724, 33572, 45017, 70741, 90034, 141482, 180068, 282964, 495187, 990374, 1980748]

約数ペア:

[(1, 1980748), (2, 990374), (4, 495187), (7, 282964), (11, 180068), (14, 141482), (22, 90034), (28, 70741), (44, 45017), (59, 33572), (77, 25724), (109, 18172), (118, 16786), (154, 12862), (218, 9086), (236, 8393), (308, 6431), (413, 4796), (436, 4543), (649, 3052), (763, 2596), (826, 2398), (1199, 1652), (1298, 1526)]