17711380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 39231360

約数和(自身を除く): 21519980

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 139, 230, 277, 278, 460, 554, 556, 695, 1108, 1385, 1390, 2770, 2780, 3197, 5540, 6371, 6394, 12742, 12788, 15985, 25484, 31855, 31970, 38503, 63710, 63940, 77006, 127420, 154012, 192515, 385030, 770060, 885569, 1771138, 3542276, 4427845, 8855690, 17711380]

約数ペア:

[(1, 17711380), (2, 8855690), (4, 4427845), (5, 3542276), (10, 1771138), (20, 885569), (23, 770060), (46, 385030), (92, 192515), (115, 154012), (139, 127420), (230, 77006), (277, 63940), (278, 63710), (460, 38503), (554, 31970), (556, 31855), (695, 25484), (1108, 15985), (1385, 12788), (1390, 12742), (2770, 6394), (2780, 6371), (3197, 5540)]