193640440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{691573}}^1$

素因数の和:691591

約数の個数: 32

約数和(自身を含む): 497933280

約数和(自身を除く): 304292840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 691573, 1383146, 2766292, 3457865, 4841011, 5532584, 6915730, 9682022, 13831460, 19364044, 24205055, 27662920, 38728088, 48410110, 96820220, 193640440]

約数ペア:

[(1, 193640440), (2, 96820220), (4, 48410110), (5, 38728088), (7, 27662920), (8, 24205055), (10, 19364044), (14, 13831460), (20, 9682022), (28, 6915730), (35, 5532584), (40, 4841011), (56, 3457865), (70, 2766292), (140, 1383146), (280, 691573)]