90445940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1493}}^1$

素因数の和:1748

約数の個数: 48

約数和(自身を含む): 205562448

約数和(自身を除く): 115116508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 233, 260, 466, 932, 1165, 1493, 2330, 2986, 3029, 4660, 5972, 6058, 7465, 12116, 14930, 15145, 19409, 29860, 30290, 38818, 60580, 77636, 97045, 194090, 347869, 388180, 695738, 1391476, 1739345, 3478690, 4522297, 6957380, 9044594, 18089188, 22611485, 45222970, 90445940]

約数ペア:

[(1, 90445940), (2, 45222970), (4, 22611485), (5, 18089188), (10, 9044594), (13, 6957380), (20, 4522297), (26, 3478690), (52, 1739345), (65, 1391476), (130, 695738), (233, 388180), (260, 347869), (466, 194090), (932, 97045), (1165, 77636), (1493, 60580), (2330, 38818), (2986, 30290), (3029, 29860), (4660, 19409), (5972, 15145), (6058, 14930), (7465, 12116)]