1259382040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:725

約数の個数: 128

約数和(自身を含む): 3314908800

約数和(自身を除く): 2055526760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 97, 140, 178, 194, 280, 356, 388, 445, 485, 521, 623, 679, 712, 776, 890, 970, 1042, 1246, 1358, 1780, 1940, 2084, 2492, 2605, 2716, 3115, 3395, 3560, 3647, 3880, 4168, 4984, 5210, 5432, 6230, 6790, 7294, 8633, 10420, 12460, 13580, 14588, 17266, 18235, 20840, 24920, 27160, 29176, 34532, 36470, 43165, 46369, 50537, 60431, 69064, 72940, 86330, 92738, 101074, 120862, 145880, 172660, 185476, 202148, 231845, 241724, 252685, 302155, 324583, 345320, 353759, 370952, 404296, 463690, 483448, 505370, 604310, 649166, 707518, 927380, 1010740, 1208620, 1298332, 1415036, 1622915, 1768795, 1854760, 2021480, 2417240, 2596664, 2830072, 3245830, 3537590, 4497793, 6491660, 7075180, 8995586, 12983320, 14150360, 17991172, 22488965, 31484551, 35982344, 44977930, 62969102, 89955860, 125938204, 157422755, 179911720, 251876408, 314845510, 629691020, 1259382040]

約数ペア:

[(1, 1259382040), (2, 629691020), (4, 314845510), (5, 251876408), (7, 179911720), (8, 157422755), (10, 125938204), (14, 89955860), (20, 62969102), (28, 44977930), (35, 35982344), (40, 31484551), (56, 22488965), (70, 17991172), (89, 14150360), (97, 12983320), (140, 8995586), (178, 7075180), (194, 6491660), (280, 4497793), (356, 3537590), (388, 3245830), (445, 2830072), (485, 2596664), (521, 2417240), (623, 2021480), (679, 1854760), (712, 1768795), (776, 1622915), (890, 1415036), (970, 1298332), (1042, 1208620), (1246, 1010740), (1358, 927380), (1780, 707518), (1940, 649166), (2084, 604310), (2492, 505370), (2605, 483448), (2716, 463690), (3115, 404296), (3395, 370952), (3560, 353759), (3647, 345320), (3880, 324583), (4168, 302155), (4984, 252685), (5210, 241724), (5432, 231845), (6230, 202148), (6790, 185476), (7294, 172660), (8633, 145880), (10420, 120862), (12460, 101074), (13580, 92738), (14588, 86330), (17266, 72940), (18235, 69064), (20840, 60431), (24920, 50537), (27160, 46369), (29176, 43165), (34532, 36470)]