23271380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{761}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 53766720

約数和(自身を除く): 30495340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 761, 1390, 1522, 1529, 2780, 3044, 3058, 3805, 6116, 7610, 7645, 8371, 15220, 15290, 16742, 30580, 33484, 41855, 83710, 105779, 167420, 211558, 423116, 528895, 1057790, 1163569, 2115580, 2327138, 4654276, 5817845, 11635690, 23271380]

約数ペア:

[(1, 23271380), (2, 11635690), (4, 5817845), (5, 4654276), (10, 2327138), (11, 2115580), (20, 1163569), (22, 1057790), (44, 528895), (55, 423116), (110, 211558), (139, 167420), (220, 105779), (278, 83710), (556, 41855), (695, 33484), (761, 30580), (1390, 16742), (1522, 15290), (1529, 15220), (2780, 8371), (3044, 7645), (3058, 7610), (3805, 6116)]