401039320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{911453}}^1$

素因数の和:911475

約数の個数: 32

約数和(自身を含む): 984370320

約数和(自身を除く): 583331000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 911453, 1822906, 3645812, 4557265, 7291624, 9114530, 10025983, 18229060, 20051966, 36458120, 40103932, 50129915, 80207864, 100259830, 200519660, 401039320]

約数ペア:

[(1, 401039320), (2, 200519660), (4, 100259830), (5, 80207864), (8, 50129915), (10, 40103932), (11, 36458120), (20, 20051966), (22, 18229060), (40, 10025983), (44, 9114530), (55, 7291624), (88, 4557265), (110, 3645812), (220, 1822906), (440, 911453)]