320042690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{13789}}^1$

素因数の和:14018

約数の個数: 32

約数和(自身を含む): 631471680

約数和(自身を除く): 311428990

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 211, 422, 1055, 2110, 2321, 4642, 11605, 13789, 23210, 27578, 68945, 137890, 151679, 303358, 758395, 1516790, 2909479, 5818958, 14547395, 29094790, 32004269, 64008538, 160021345, 320042690]

約数ペア:

[(1, 320042690), (2, 160021345), (5, 64008538), (10, 32004269), (11, 29094790), (22, 14547395), (55, 5818958), (110, 2909479), (211, 1516790), (422, 758395), (1055, 303358), (2110, 151679), (2321, 137890), (4642, 68945), (11605, 27578), (13789, 23210)]