212955820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{138283}}^1$

素因数の和:138310

約数の個数: 48

約数和(自身を含む): 557561088

約数和(自身を除く): 344605268

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 138283, 276566, 553132, 691415, 967981, 1382830, 1521113, 1935962, 2765660, 3042226, 3871924, 4839905, 6084452, 7605565, 9679810, 10647791, 15211130, 19359620, 21295582, 30422260, 42591164, 53238955, 106477910, 212955820]

約数ペア:

[(1, 212955820), (2, 106477910), (4, 53238955), (5, 42591164), (7, 30422260), (10, 21295582), (11, 19359620), (14, 15211130), (20, 10647791), (22, 9679810), (28, 7605565), (35, 6084452), (44, 4839905), (55, 3871924), (70, 3042226), (77, 2765660), (110, 1935962), (140, 1521113), (154, 1382830), (220, 967981), (308, 691415), (385, 553132), (770, 276566), (1540, 138283)]