401819660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79411}}^1$

素因数の和:79454

約数の個数: 48

約数和(自身を含む): 960567552

約数和(自身を除く): 558747892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 79411, 158822, 317644, 397055, 794110, 873521, 1588220, 1747042, 1826453, 3494084, 3652906, 4367605, 7305812, 8735210, 9132265, 17470420, 18264530, 20090983, 36529060, 40181966, 80363932, 100454915, 200909830, 401819660]

約数ペア:

[(1, 401819660), (2, 200909830), (4, 100454915), (5, 80363932), (10, 40181966), (11, 36529060), (20, 20090983), (22, 18264530), (23, 17470420), (44, 9132265), (46, 8735210), (55, 7305812), (92, 4367605), (110, 3652906), (115, 3494084), (220, 1826453), (230, 1747042), (253, 1588220), (460, 873521), (506, 794110), (1012, 397055), (1265, 317644), (2530, 158822), (5060, 79411)]