133766980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1427}}^1$

素因数の和:1588

約数の個数: 48

約数和(自身を含む): 290283840

約数和(自身を除く): 156516860

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 109, 172, 215, 218, 430, 436, 545, 860, 1090, 1427, 2180, 2854, 4687, 5708, 7135, 9374, 14270, 18748, 23435, 28540, 46870, 61361, 93740, 122722, 155543, 245444, 306805, 311086, 613610, 622172, 777715, 1227220, 1555430, 3110860, 6688349, 13376698, 26753396, 33441745, 66883490, 133766980]

約数ペア:

[(1, 133766980), (2, 66883490), (4, 33441745), (5, 26753396), (10, 13376698), (20, 6688349), (43, 3110860), (86, 1555430), (109, 1227220), (172, 777715), (215, 622172), (218, 613610), (430, 311086), (436, 306805), (545, 245444), (860, 155543), (1090, 122722), (1427, 93740), (2180, 61361), (2854, 46870), (4687, 28540), (5708, 23435), (7135, 18748), (9374, 14270)]