127978180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{12377}}^1$

素因数の和:12444

約数の個数: 48

約数和(自身を含む): 299448576

約数和(自身を除く): 171470396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 12377, 24754, 49508, 61885, 123770, 136147, 247540, 272294, 544588, 581719, 680735, 1163438, 1361470, 2326876, 2722940, 2908595, 5817190, 6398909, 11634380, 12797818, 25595636, 31994545, 63989090, 127978180]

約数ペア:

[(1, 127978180), (2, 63989090), (4, 31994545), (5, 25595636), (10, 12797818), (11, 11634380), (20, 6398909), (22, 5817190), (44, 2908595), (47, 2722940), (55, 2326876), (94, 1361470), (110, 1163438), (188, 680735), (220, 581719), (235, 544588), (470, 272294), (517, 247540), (940, 136147), (1034, 123770), (2068, 61885), (2585, 49508), (5170, 24754), (10340, 12377)]