400087016

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{3677}}^1$

素因数の和:3786

約数の個数: 64

約数和(自身を含む): 900374400

約数和(自身を除く): 500287384

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 67, 116, 134, 203, 232, 268, 406, 469, 536, 812, 938, 1624, 1876, 1943, 3677, 3752, 3886, 7354, 7772, 13601, 14708, 15544, 25739, 27202, 29416, 51478, 54404, 102956, 106633, 108808, 205912, 213266, 246359, 426532, 492718, 746431, 853064, 985436, 1492862, 1724513, 1970872, 2985724, 3449026, 5971448, 6898052, 7144411, 13796104, 14288822, 28577644, 50010877, 57155288, 100021754, 200043508, 400087016]

約数ペア:

[(1, 400087016), (2, 200043508), (4, 100021754), (7, 57155288), (8, 50010877), (14, 28577644), (28, 14288822), (29, 13796104), (56, 7144411), (58, 6898052), (67, 5971448), (116, 3449026), (134, 2985724), (203, 1970872), (232, 1724513), (268, 1492862), (406, 985436), (469, 853064), (536, 746431), (812, 492718), (938, 426532), (1624, 246359), (1876, 213266), (1943, 205912), (3677, 108808), (3752, 106633), (3886, 102956), (7354, 54404), (7772, 51478), (13601, 29416), (14708, 27202), (15544, 25739)]