201830440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3659}}^1$

素因数の和:3874

約数の個数: 64

約数和(自身を含む): 521769600

約数和(自身を除く): 319939160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1379, 1576, 1970, 2758, 3659, 3940, 5516, 6895, 7318, 7880, 11032, 13790, 14636, 18295, 25613, 27580, 29272, 36590, 51226, 55160, 73180, 102452, 128065, 146360, 204904, 256130, 512260, 720823, 1024520, 1441646, 2883292, 3604115, 5045761, 5766584, 7208230, 10091522, 14416460, 20183044, 25228805, 28832920, 40366088, 50457610, 100915220, 201830440]

約数ペア:

[(1, 201830440), (2, 100915220), (4, 50457610), (5, 40366088), (7, 28832920), (8, 25228805), (10, 20183044), (14, 14416460), (20, 10091522), (28, 7208230), (35, 5766584), (40, 5045761), (56, 3604115), (70, 2883292), (140, 1441646), (197, 1024520), (280, 720823), (394, 512260), (788, 256130), (985, 204904), (1379, 146360), (1576, 128065), (1970, 102452), (2758, 73180), (3659, 55160), (3940, 51226), (5516, 36590), (6895, 29272), (7318, 27580), (7880, 25613), (11032, 18295), (13790, 14636)]