178698910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{2579}}^1$

素因数の和:2653

約数の個数: 48

約数和(自身を含む): 356937840

約数和(自身を除く): 178238930

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 169, 205, 338, 410, 533, 845, 1066, 1690, 2579, 2665, 5158, 5330, 6929, 12895, 13858, 25790, 33527, 34645, 67054, 69290, 105739, 167635, 211478, 335270, 435851, 528695, 871702, 1057390, 1374607, 2179255, 2749214, 4358510, 6873035, 13746070, 17869891, 35739782, 89349455, 178698910]

約数ペア:

[(1, 178698910), (2, 89349455), (5, 35739782), (10, 17869891), (13, 13746070), (26, 6873035), (41, 4358510), (65, 2749214), (82, 2179255), (130, 1374607), (169, 1057390), (205, 871702), (338, 528695), (410, 435851), (533, 335270), (845, 211478), (1066, 167635), (1690, 105739), (2579, 69290), (2665, 67054), (5158, 34645), (5330, 33527), (6929, 25790), (12895, 13858)]