1390304890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1097}}^1\times {\mathrm{9749}}^1$

素因数の和:10866

約数の個数: 32

約数和(自身を含む): 2697786000

約数和(自身を除く): 1307481110

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1097, 2194, 5485, 9749, 10970, 14261, 19498, 28522, 48745, 71305, 97490, 126737, 142610, 253474, 633685, 1267370, 10694653, 21389306, 53473265, 106946530, 139030489, 278060978, 695152445, 1390304890]

約数ペア:

[(1, 1390304890), (2, 695152445), (5, 278060978), (10, 139030489), (13, 106946530), (26, 53473265), (65, 21389306), (130, 10694653), (1097, 1267370), (2194, 633685), (5485, 253474), (9749, 142610), (10970, 126737), (14261, 97490), (19498, 71305), (28522, 48745)]