320948

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:167

約数の個数: 24

約数和(自身を含む): 611520

約数和(自身を除く): 290572

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 103, 164, 206, 412, 779, 1558, 1957, 3116, 3914, 4223, 7828, 8446, 16892, 80237, 160474, 320948]

約数ペア:

[(1, 320948), (2, 160474), (4, 80237), (19, 16892), (38, 8446), (41, 7828), (76, 4223), (82, 3914), (103, 3116), (164, 1957), (206, 1558), (412, 779)]