1915707950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{9857}}^1$

素因数の和:9918

約数の個数: 72

約数和(自身を含む): 4026559248

約数和(自身を除く): 2110851298

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 169, 230, 299, 325, 338, 575, 598, 650, 845, 1150, 1495, 1690, 2990, 3887, 4225, 7475, 7774, 8450, 9857, 14950, 19435, 19714, 38870, 49285, 97175, 98570, 128141, 194350, 226711, 246425, 256282, 453422, 492850, 640705, 1133555, 1281410, 1665833, 2267110, 2947243, 3203525, 3331666, 5667775, 5894486, 6407050, 8329165, 11335550, 14736215, 16658330, 29472430, 38314159, 41645825, 73681075, 76628318, 83291650, 147362150, 191570795, 383141590, 957853975, 1915707950]

約数ペア:

[(1, 1915707950), (2, 957853975), (5, 383141590), (10, 191570795), (13, 147362150), (23, 83291650), (25, 76628318), (26, 73681075), (46, 41645825), (50, 38314159), (65, 29472430), (115, 16658330), (130, 14736215), (169, 11335550), (230, 8329165), (299, 6407050), (325, 5894486), (338, 5667775), (575, 3331666), (598, 3203525), (650, 2947243), (845, 2267110), (1150, 1665833), (1495, 1281410), (1690, 1133555), (2990, 640705), (3887, 492850), (4225, 453422), (7475, 256282), (7774, 246425), (8450, 226711), (9857, 194350), (14950, 128141), (19435, 98570), (19714, 97175), (38870, 49285)]