209875120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:387

約数の個数: 160

約数和(自身を含む): 607961088

約数和(自身を除く): 398085968

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 127, 130, 140, 182, 208, 227, 254, 260, 280, 364, 454, 455, 508, 520, 560, 635, 728, 889, 908, 910, 1016, 1040, 1135, 1270, 1456, 1589, 1651, 1778, 1816, 1820, 2032, 2270, 2540, 2951, 3178, 3302, 3556, 3632, 3640, 4445, 4540, 5080, 5902, 6356, 6604, 7112, 7280, 7945, 8255, 8890, 9080, 10160, 11557, 11804, 12712, 13208, 14224, 14755, 15890, 16510, 17780, 18160, 20657, 23114, 23608, 25424, 26416, 28829, 29510, 31780, 33020, 35560, 41314, 46228, 47216, 57658, 57785, 59020, 63560, 66040, 71120, 82628, 92456, 103285, 115316, 115570, 118040, 127120, 132080, 144145, 165256, 184912, 201803, 206570, 230632, 231140, 236080, 288290, 330512, 374777, 403606, 413140, 461264, 462280, 576580, 749554, 807212, 826280, 924560, 1009015, 1153160, 1499108, 1614424, 1652560, 1873885, 2018030, 2306320, 2623439, 2998216, 3228848, 3747770, 4036060, 5246878, 5996432, 7495540, 8072120, 10493756, 13117195, 14991080, 16144240, 20987512, 26234390, 29982160, 41975024, 52468780, 104937560, 209875120]

約数ペア:

[(1, 209875120), (2, 104937560), (4, 52468780), (5, 41975024), (7, 29982160), (8, 26234390), (10, 20987512), (13, 16144240), (14, 14991080), (16, 13117195), (20, 10493756), (26, 8072120), (28, 7495540), (35, 5996432), (40, 5246878), (52, 4036060), (56, 3747770), (65, 3228848), (70, 2998216), (80, 2623439), (91, 2306320), (104, 2018030), (112, 1873885), (127, 1652560), (130, 1614424), (140, 1499108), (182, 1153160), (208, 1009015), (227, 924560), (254, 826280), (260, 807212), (280, 749554), (364, 576580), (454, 462280), (455, 461264), (508, 413140), (520, 403606), (560, 374777), (635, 330512), (728, 288290), (889, 236080), (908, 231140), (910, 230632), (1016, 206570), (1040, 201803), (1135, 184912), (1270, 165256), (1456, 144145), (1589, 132080), (1651, 127120), (1778, 118040), (1816, 115570), (1820, 115316), (2032, 103285), (2270, 92456), (2540, 82628), (2951, 71120), (3178, 66040), (3302, 63560), (3556, 59020), (3632, 57785), (3640, 57658), (4445, 47216), (4540, 46228), (5080, 41314), (5902, 35560), (6356, 33020), (6604, 31780), (7112, 29510), (7280, 28829), (7945, 26416), (8255, 25424), (8890, 23608), (9080, 23114), (10160, 20657), (11557, 18160), (11804, 17780), (12712, 16510), (13208, 15890), (14224, 14755)]