219623180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25717}}^1$

素因数の和:25794

約数の個数: 48

約数和(自身を含む): 535757376

約数和(自身を除く): 316134196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 25717, 51434, 102868, 128585, 180019, 257170, 360038, 514340, 720076, 900095, 1568737, 1800190, 3137474, 3600380, 6274948, 7843685, 10981159, 15687370, 21962318, 31374740, 43924636, 54905795, 109811590, 219623180]

約数ペア:

[(1, 219623180), (2, 109811590), (4, 54905795), (5, 43924636), (7, 31374740), (10, 21962318), (14, 15687370), (20, 10981159), (28, 7843685), (35, 6274948), (61, 3600380), (70, 3137474), (122, 1800190), (140, 1568737), (244, 900095), (305, 720076), (427, 514340), (610, 360038), (854, 257170), (1220, 180019), (1708, 128585), (2135, 102868), (4270, 51434), (8540, 25717)]