194354920

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{4903}}^1$

素因数の和:5905

約数の個数: 32

約数和(自身を含む): 437829120

約数和(自身を除く): 243474200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1982, 3964, 4903, 4955, 7928, 9806, 9910, 19612, 19820, 24515, 39224, 39640, 49030, 98060, 196120, 4858873, 9717746, 19435492, 24294365, 38870984, 48588730, 97177460, 194354920]

約数ペア:

[(1, 194354920), (2, 97177460), (4, 48588730), (5, 38870984), (8, 24294365), (10, 19435492), (20, 9717746), (40, 4858873), (991, 196120), (1982, 98060), (3964, 49030), (4903, 39640), (4955, 39224), (7928, 24515), (9806, 19820), (9910, 19612)]