177389620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{659}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 382979520

約数和(自身を除く): 205589900

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 313, 430, 626, 659, 860, 1252, 1318, 1565, 2636, 3130, 3295, 6260, 6590, 13180, 13459, 26918, 28337, 53836, 56674, 67295, 113348, 134590, 141685, 206267, 269180, 283370, 412534, 566740, 825068, 1031335, 2062670, 4125340, 8869481, 17738962, 35477924, 44347405, 88694810, 177389620]

約数ペア:

[(1, 177389620), (2, 88694810), (4, 44347405), (5, 35477924), (10, 17738962), (20, 8869481), (43, 4125340), (86, 2062670), (172, 1031335), (215, 825068), (313, 566740), (430, 412534), (626, 283370), (659, 269180), (860, 206267), (1252, 141685), (1318, 134590), (1565, 113348), (2636, 67295), (3130, 56674), (3295, 53836), (6260, 28337), (6590, 26918), (13180, 13459)]