158077720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{207997}}^1$

素因数の和:208027

約数の個数: 32

約数和(自身を含む): 374396400

約数和(自身を除く): 216318680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 207997, 415994, 831988, 1039985, 1663976, 2079970, 3951943, 4159940, 7903886, 8319880, 15807772, 19759715, 31615544, 39519430, 79038860, 158077720]

約数ペア:

[(1, 158077720), (2, 79038860), (4, 39519430), (5, 31615544), (8, 19759715), (10, 15807772), (19, 8319880), (20, 7903886), (38, 4159940), (40, 3951943), (76, 2079970), (95, 1663976), (152, 1039985), (190, 831988), (380, 415994), (760, 207997)]