1880565550

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{269}}^1\times {\mathrm{1571}}^1$

素因数の和:1941

約数の個数: 48

約数和(自身を含む): 3552562800

約数和(自身を除く): 1671997250

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 269, 445, 538, 890, 1345, 1571, 2225, 2690, 3142, 4450, 6725, 7855, 13450, 15710, 23941, 39275, 47882, 78550, 119705, 139819, 239410, 279638, 422599, 598525, 699095, 845198, 1197050, 1398190, 2112995, 3495475, 4225990, 6990950, 10564975, 21129950, 37611311, 75222622, 188056555, 376113110, 940282775, 1880565550]

約数ペア:

[(1, 1880565550), (2, 940282775), (5, 376113110), (10, 188056555), (25, 75222622), (50, 37611311), (89, 21129950), (178, 10564975), (269, 6990950), (445, 4225990), (538, 3495475), (890, 2112995), (1345, 1398190), (1571, 1197050), (2225, 845198), (2690, 699095), (3142, 598525), (4450, 422599), (6725, 279638), (7855, 239410), (13450, 139819), (15710, 119705), (23941, 78550), (39275, 47882)]