11643940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7561}}^1$

素因数の和:7588

約数の個数: 48

約数和(自身を含む): 30489984

約数和(自身を除く): 18846044

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 7561, 15122, 30244, 37805, 52927, 75610, 83171, 105854, 151220, 166342, 211708, 264635, 332684, 415855, 529270, 582197, 831710, 1058540, 1164394, 1663420, 2328788, 2910985, 5821970, 11643940]

約数ペア:

[(1, 11643940), (2, 5821970), (4, 2910985), (5, 2328788), (7, 1663420), (10, 1164394), (11, 1058540), (14, 831710), (20, 582197), (22, 529270), (28, 415855), (35, 332684), (44, 264635), (55, 211708), (70, 166342), (77, 151220), (110, 105854), (140, 83171), (154, 75610), (220, 52927), (308, 37805), (385, 30244), (770, 15122), (1540, 7561)]