191821420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1097}}^1\times {\mathrm{1249}}^1$

素因数の和:2362

約数の個数: 48

約数和(自身を含む): 461160000

約数和(自身を除く): 269338580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1097, 1249, 2194, 2498, 4388, 4996, 5485, 6245, 7679, 8743, 10970, 12490, 15358, 17486, 21940, 24980, 30716, 34972, 38395, 43715, 76790, 87430, 153580, 174860, 1370153, 2740306, 5480612, 6850765, 9591071, 13701530, 19182142, 27403060, 38364284, 47955355, 95910710, 191821420]

約数ペア:

[(1, 191821420), (2, 95910710), (4, 47955355), (5, 38364284), (7, 27403060), (10, 19182142), (14, 13701530), (20, 9591071), (28, 6850765), (35, 5480612), (70, 2740306), (140, 1370153), (1097, 174860), (1249, 153580), (2194, 87430), (2498, 76790), (4388, 43715), (4996, 38395), (5485, 34972), (6245, 30716), (7679, 24980), (8743, 21940), (10970, 17486), (12490, 15358)]