1389627890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1044833}}^1$

素因数の和:1044866

約数の個数: 32

約数和(自身を含む): 3009121920

約数和(自身を除く): 1619494030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 1044833, 2089666, 5224165, 7313831, 10448330, 14627662, 19851827, 36569155, 39703654, 73138310, 99259135, 138962789, 198518270, 277925578, 694813945, 1389627890]

約数ペア:

[(1, 1389627890), (2, 694813945), (5, 277925578), (7, 198518270), (10, 138962789), (14, 99259135), (19, 73138310), (35, 39703654), (38, 36569155), (70, 19851827), (95, 14627662), (133, 10448330), (190, 7313831), (266, 5224165), (665, 2089666), (1330, 1044833)]