201720680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{6733}}^1$

素因数の和:6858

約数の個数: 64

約数和(自身を含む): 523635840

約数和(自身を除く): 321915160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 535, 749, 856, 1070, 1498, 2140, 2996, 3745, 4280, 5992, 6733, 7490, 13466, 14980, 26932, 29960, 33665, 47131, 53864, 67330, 94262, 134660, 188524, 235655, 269320, 377048, 471310, 720431, 942620, 1440862, 1885240, 2881724, 3602155, 5043017, 5763448, 7204310, 10086034, 14408620, 20172068, 25215085, 28817240, 40344136, 50430170, 100860340, 201720680]

約数ペア:

[(1, 201720680), (2, 100860340), (4, 50430170), (5, 40344136), (7, 28817240), (8, 25215085), (10, 20172068), (14, 14408620), (20, 10086034), (28, 7204310), (35, 5763448), (40, 5043017), (56, 3602155), (70, 2881724), (107, 1885240), (140, 1440862), (214, 942620), (280, 720431), (428, 471310), (535, 377048), (749, 269320), (856, 235655), (1070, 188524), (1498, 134660), (2140, 94262), (2996, 67330), (3745, 53864), (4280, 47131), (5992, 33665), (6733, 29960), (7490, 26932), (13466, 14980)]