12271340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 27793920

約数和(自身を除く): 15522580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 751, 817, 860, 1502, 1634, 3004, 3268, 3755, 4085, 7510, 8170, 14269, 15020, 16340, 28538, 32293, 57076, 64586, 71345, 129172, 142690, 161465, 285380, 322930, 613567, 645860, 1227134, 2454268, 3067835, 6135670, 12271340]

約数ペア:

[(1, 12271340), (2, 6135670), (4, 3067835), (5, 2454268), (10, 1227134), (19, 645860), (20, 613567), (38, 322930), (43, 285380), (76, 161465), (86, 142690), (95, 129172), (172, 71345), (190, 64586), (215, 57076), (380, 32293), (430, 28538), (751, 16340), (817, 15020), (860, 14269), (1502, 8170), (1634, 7510), (3004, 4085), (3268, 3755)]