279348340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{1409}}^1$

素因数の和:1872

約数の個数: 48

約数和(自身を含む): 613992960

約数和(自身を除く): 334644620

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 431, 460, 862, 1409, 1724, 2155, 2818, 4310, 5636, 7045, 8620, 9913, 14090, 19826, 28180, 32407, 39652, 49565, 64814, 99130, 129628, 162035, 198260, 324070, 607279, 648140, 1214558, 2429116, 3036395, 6072790, 12145580, 13967417, 27934834, 55869668, 69837085, 139674170, 279348340]

約数ペア:

[(1, 279348340), (2, 139674170), (4, 69837085), (5, 55869668), (10, 27934834), (20, 13967417), (23, 12145580), (46, 6072790), (92, 3036395), (115, 2429116), (230, 1214558), (431, 648140), (460, 607279), (862, 324070), (1409, 198260), (1724, 162035), (2155, 129628), (2818, 99130), (4310, 64814), (5636, 49565), (7045, 39652), (8620, 32407), (9913, 28180), (14090, 19826)]