222749720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1913}}^1$

素因数の和:2036

約数の個数: 64

約数和(自身を含む): 520914240

約数和(自身を除く): 298164520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 142, 164, 205, 284, 328, 355, 410, 568, 710, 820, 1420, 1640, 1913, 2840, 2911, 3826, 5822, 7652, 9565, 11644, 14555, 15304, 19130, 23288, 29110, 38260, 58220, 76520, 78433, 116440, 135823, 156866, 271646, 313732, 392165, 543292, 627464, 679115, 784330, 1086584, 1358230, 1568660, 2716460, 3137320, 5432920, 5568743, 11137486, 22274972, 27843715, 44549944, 55687430, 111374860, 222749720]

約数ペア:

[(1, 222749720), (2, 111374860), (4, 55687430), (5, 44549944), (8, 27843715), (10, 22274972), (20, 11137486), (40, 5568743), (41, 5432920), (71, 3137320), (82, 2716460), (142, 1568660), (164, 1358230), (205, 1086584), (284, 784330), (328, 679115), (355, 627464), (410, 543292), (568, 392165), (710, 313732), (820, 271646), (1420, 156866), (1640, 135823), (1913, 116440), (2840, 78433), (2911, 76520), (3826, 58220), (5822, 38260), (7652, 29110), (9565, 23288), (11644, 19130), (14555, 15304)]