1380498429890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1266512321}}^1$

素因数の和:1266512437

約数の個数: 16

約数和(自身を含む): 2507694397560

約数和(自身を除く): 1127195967670

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 1266512321, 2533024642, 6332561605, 12665123210, 138049842989, 276099685978, 690249214945, 1380498429890]

約数ペア:

[(1, 1380498429890), (2, 690249214945), (5, 276099685978), (10, 138049842989), (109, 12665123210), (218, 6332561605), (545, 2533024642), (1090, 1266512321)]