191609240

素因数分解:

$2^3\times 5^1\times {\mathrm{977}}^1\times {\mathrm{4903}}^1$

素因数の和:5891

約数の個数: 32

約数和(自身を含む): 431650080

約数和(自身を除く): 240040840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 977, 1954, 3908, 4885, 4903, 7816, 9770, 9806, 19540, 19612, 24515, 39080, 39224, 49030, 98060, 196120, 4790231, 9580462, 19160924, 23951155, 38321848, 47902310, 95804620, 191609240]

約数ペア:

[(1, 191609240), (2, 95804620), (4, 47902310), (5, 38321848), (8, 23951155), (10, 19160924), (20, 9580462), (40, 4790231), (977, 196120), (1954, 98060), (3908, 49030), (4885, 39224), (4903, 39080), (7816, 24515), (9770, 19612), (9806, 19540)]