278778830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{133387}}^1$

素因数の和:133424

約数の個数: 32

約数和(自身を含む): 576236160

約数和(自身を除く): 297457330

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 133387, 266774, 666935, 1333870, 1467257, 2534353, 2934514, 5068706, 7336285, 12671765, 14672570, 25343530, 27877883, 55755766, 139389415, 278778830]

約数ペア:

[(1, 278778830), (2, 139389415), (5, 55755766), (10, 27877883), (11, 25343530), (19, 14672570), (22, 12671765), (38, 7336285), (55, 5068706), (95, 2934514), (110, 2534353), (190, 1467257), (209, 1333870), (418, 666935), (1045, 266774), (2090, 133387)]