400064

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:85

約数の個数: 56

約数和(自身を含む): 975360

約数和(自身を除く): 575296

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 47, 56, 64, 76, 94, 112, 133, 152, 188, 224, 266, 304, 329, 376, 448, 532, 608, 658, 752, 893, 1064, 1216, 1316, 1504, 1786, 2128, 2632, 3008, 3572, 4256, 5264, 6251, 7144, 8512, 10528, 12502, 14288, 21056, 25004, 28576, 50008, 57152, 100016, 200032, 400064]

約数ペア:

[(1, 400064), (2, 200032), (4, 100016), (7, 57152), (8, 50008), (14, 28576), (16, 25004), (19, 21056), (28, 14288), (32, 12502), (38, 10528), (47, 8512), (56, 7144), (64, 6251), (76, 5264), (94, 4256), (112, 3572), (133, 3008), (152, 2632), (188, 2128), (224, 1786), (266, 1504), (304, 1316), (329, 1216), (376, 1064), (448, 893), (532, 752), (608, 658)]