49716520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{503}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 128459520

約数和(自身を除く): 78743000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 353, 503, 706, 1006, 1412, 1765, 2012, 2471, 2515, 2824, 3521, 3530, 4024, 4942, 5030, 7042, 7060, 9884, 10060, 12355, 14084, 14120, 17605, 19768, 20120, 24710, 28168, 35210, 49420, 70420, 98840, 140840, 177559, 355118, 710236, 887795, 1242913, 1420472, 1775590, 2485826, 3551180, 4971652, 6214565, 7102360, 9943304, 12429130, 24858260, 49716520]

約数ペア:

[(1, 49716520), (2, 24858260), (4, 12429130), (5, 9943304), (7, 7102360), (8, 6214565), (10, 4971652), (14, 3551180), (20, 2485826), (28, 1775590), (35, 1420472), (40, 1242913), (56, 887795), (70, 710236), (140, 355118), (280, 177559), (353, 140840), (503, 98840), (706, 70420), (1006, 49420), (1412, 35210), (1765, 28168), (2012, 24710), (2471, 20120), (2515, 19768), (2824, 17605), (3521, 14120), (3530, 14084), (4024, 12355), (4942, 10060), (5030, 9884), (7042, 7060)]