168448940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1481}}^1$

素因数の和:1559

約数の個数: 72

約数和(自身を含む): 397365696

約数和(自身を除く): 228916756

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 121, 188, 220, 235, 242, 470, 484, 517, 605, 940, 1034, 1210, 1481, 2068, 2420, 2585, 2962, 5170, 5687, 5924, 7405, 10340, 11374, 14810, 16291, 22748, 28435, 29620, 32582, 56870, 65164, 69607, 81455, 113740, 139214, 162910, 179201, 278428, 325820, 348035, 358402, 696070, 716804, 765677, 896005, 1392140, 1531354, 1792010, 3062708, 3584020, 3828385, 7656770, 8422447, 15313540, 16844894, 33689788, 42112235, 84224470, 168448940]

約数ペア:

[(1, 168448940), (2, 84224470), (4, 42112235), (5, 33689788), (10, 16844894), (11, 15313540), (20, 8422447), (22, 7656770), (44, 3828385), (47, 3584020), (55, 3062708), (94, 1792010), (110, 1531354), (121, 1392140), (188, 896005), (220, 765677), (235, 716804), (242, 696070), (470, 358402), (484, 348035), (517, 325820), (605, 278428), (940, 179201), (1034, 162910), (1210, 139214), (1481, 113740), (2068, 81455), (2420, 69607), (2585, 65164), (2962, 56870), (5170, 32582), (5687, 29620), (5924, 28435), (7405, 22748), (10340, 16291), (11374, 14810)]