291681940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{13127}}^1$

素因数の和:13248

約数の個数: 48

約数和(自身を含む): 674884224

約数和(自身を除く): 383202284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 11110, 13127, 22220, 26254, 52508, 65635, 131270, 144397, 262540, 288794, 577588, 721985, 1325827, 1443970, 2651654, 2887940, 5303308, 6629135, 13258270, 14584097, 26516540, 29168194, 58336388, 72920485, 145840970, 291681940]

約数ペア:

[(1, 291681940), (2, 145840970), (4, 72920485), (5, 58336388), (10, 29168194), (11, 26516540), (20, 14584097), (22, 13258270), (44, 6629135), (55, 5303308), (101, 2887940), (110, 2651654), (202, 1443970), (220, 1325827), (404, 721985), (505, 577588), (1010, 288794), (1111, 262540), (2020, 144397), (2222, 131270), (4444, 65635), (5555, 52508), (11110, 26254), (13127, 22220)]