399049810

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{103}}^1\times {\mathrm{283}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 748028736

約数和(自身を除く): 348978926

約数列:

[1, 2, 5, 10, 37, 74, 103, 185, 206, 283, 370, 515, 566, 1030, 1369, 1415, 2738, 2830, 3811, 6845, 7622, 10471, 13690, 19055, 20942, 29149, 38110, 52355, 58298, 104710, 141007, 145745, 282014, 291490, 387427, 705035, 774854, 1078513, 1410070, 1937135, 2157026, 3874270, 5392565, 10785130, 39904981, 79809962, 199524905, 399049810]

約数ペア:

[(1, 399049810), (2, 199524905), (5, 79809962), (10, 39904981), (37, 10785130), (74, 5392565), (103, 3874270), (185, 2157026), (206, 1937135), (283, 1410070), (370, 1078513), (515, 774854), (566, 705035), (1030, 387427), (1369, 291490), (1415, 282014), (2738, 145745), (2830, 141007), (3811, 104710), (6845, 58298), (7622, 52355), (10471, 38110), (13690, 29149), (19055, 20942)]