1555143940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{270931}}^1$

素因数の和:270988

約数の個数: 48

約数和(自身を含む): 3823392384

約数和(自身を除く): 2268248444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 270931, 541862, 1083724, 1354655, 1896517, 2709310, 3793034, 5418620, 7586068, 9482585, 11108171, 18965170, 22216342, 37930340, 44432684, 55540855, 77757197, 111081710, 155514394, 222163420, 311028788, 388785985, 777571970, 1555143940]

約数ペア:

[(1, 1555143940), (2, 777571970), (4, 388785985), (5, 311028788), (7, 222163420), (10, 155514394), (14, 111081710), (20, 77757197), (28, 55540855), (35, 44432684), (41, 37930340), (70, 22216342), (82, 18965170), (140, 11108171), (164, 9482585), (205, 7586068), (287, 5418620), (410, 3793034), (574, 2709310), (820, 1896517), (1148, 1354655), (1435, 1083724), (2870, 541862), (5740, 270931)]