67785620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{263}}^2$

素因数の和:549

約数の個数: 54

約数和(自身を含む): 166222602

約数和(自身を除く): 98436982

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 263, 490, 526, 980, 1052, 1315, 1841, 2630, 3682, 5260, 7364, 9205, 12887, 18410, 25774, 36820, 51548, 64435, 69169, 128870, 138338, 257740, 276676, 345845, 484183, 691690, 968366, 1383380, 1936732, 2420915, 3389281, 4841830, 6778562, 9683660, 13557124, 16946405, 33892810, 67785620]

約数ペア:

[(1, 67785620), (2, 33892810), (4, 16946405), (5, 13557124), (7, 9683660), (10, 6778562), (14, 4841830), (20, 3389281), (28, 2420915), (35, 1936732), (49, 1383380), (70, 968366), (98, 691690), (140, 484183), (196, 345845), (245, 276676), (263, 257740), (490, 138338), (526, 128870), (980, 69169), (1052, 64435), (1315, 51548), (1841, 36820), (2630, 25774), (3682, 18410), (5260, 12887), (7364, 9205)]