689785790

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{14717}}^1$

素因数の和:14876

約数の個数: 32

約数和(自身を含む): 1282232160

約数和(自身を除く): 592446370

約数列:

[1, 2, 5, 10, 43, 86, 109, 215, 218, 430, 545, 1090, 4687, 9374, 14717, 23435, 29434, 46870, 73585, 147170, 632831, 1265662, 1604153, 3164155, 3208306, 6328310, 8020765, 16041530, 68978579, 137957158, 344892895, 689785790]

約数ペア:

[(1, 689785790), (2, 344892895), (5, 137957158), (10, 68978579), (43, 16041530), (86, 8020765), (109, 6328310), (215, 3208306), (218, 3164155), (430, 1604153), (545, 1265662), (1090, 632831), (4687, 147170), (9374, 73585), (14717, 46870), (23435, 29434)]