389962384

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:645

約数の個数: 120

約数和(自身を含む): 946546560

約数和(自身を除く): 556584176

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 47, 49, 56, 76, 94, 98, 112, 133, 152, 188, 196, 266, 304, 329, 376, 392, 532, 557, 658, 752, 784, 893, 931, 1064, 1114, 1316, 1786, 1862, 2128, 2228, 2303, 2632, 3572, 3724, 3899, 4456, 4606, 5264, 6251, 7144, 7448, 7798, 8912, 9212, 10583, 12502, 14288, 14896, 15596, 18424, 21166, 25004, 26179, 27293, 31192, 36848, 42332, 43757, 50008, 52358, 54586, 62384, 74081, 84664, 87514, 100016, 104716, 109172, 148162, 169328, 175028, 183253, 209432, 218344, 296324, 350056, 366506, 418864, 436688, 497401, 518567, 592648, 700112, 733012, 994802, 1037134, 1185296, 1282771, 1466024, 1989604, 2074268, 2565542, 2932048, 3481807, 3979208, 4148536, 5131084, 6963614, 7958416, 8297072, 10262168, 13927228, 20524336, 24372649, 27854456, 48745298, 55708912, 97490596, 194981192, 389962384]

約数ペア:

[(1, 389962384), (2, 194981192), (4, 97490596), (7, 55708912), (8, 48745298), (14, 27854456), (16, 24372649), (19, 20524336), (28, 13927228), (38, 10262168), (47, 8297072), (49, 7958416), (56, 6963614), (76, 5131084), (94, 4148536), (98, 3979208), (112, 3481807), (133, 2932048), (152, 2565542), (188, 2074268), (196, 1989604), (266, 1466024), (304, 1282771), (329, 1185296), (376, 1037134), (392, 994802), (532, 733012), (557, 700112), (658, 592648), (752, 518567), (784, 497401), (893, 436688), (931, 418864), (1064, 366506), (1114, 350056), (1316, 296324), (1786, 218344), (1862, 209432), (2128, 183253), (2228, 175028), (2303, 169328), (2632, 148162), (3572, 109172), (3724, 104716), (3899, 100016), (4456, 87514), (4606, 84664), (5264, 74081), (6251, 62384), (7144, 54586), (7448, 52358), (7798, 50008), (8912, 43757), (9212, 42332), (10583, 36848), (12502, 31192), (14288, 27293), (14896, 26179), (15596, 25004), (18424, 21166)]