201445904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{563}}^1$

素因数の和:708

約数の個数: 80

約数和(自身を含む): 453185280

約数和(自身を除く): 251739376

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 107, 152, 176, 209, 214, 304, 418, 428, 563, 836, 856, 1126, 1177, 1672, 1712, 2033, 2252, 2354, 3344, 4066, 4504, 4708, 6193, 8132, 9008, 9416, 10697, 12386, 16264, 18832, 21394, 22363, 24772, 32528, 42788, 44726, 49544, 60241, 85576, 89452, 99088, 117667, 120482, 171152, 178904, 235334, 240964, 357808, 470668, 481928, 662651, 941336, 963856, 1144579, 1325302, 1882672, 2289158, 2650604, 4578316, 5301208, 9156632, 10602416, 12590369, 18313264, 25180738, 50361476, 100722952, 201445904]

約数ペア:

[(1, 201445904), (2, 100722952), (4, 50361476), (8, 25180738), (11, 18313264), (16, 12590369), (19, 10602416), (22, 9156632), (38, 5301208), (44, 4578316), (76, 2650604), (88, 2289158), (107, 1882672), (152, 1325302), (176, 1144579), (209, 963856), (214, 941336), (304, 662651), (418, 481928), (428, 470668), (563, 357808), (836, 240964), (856, 235334), (1126, 178904), (1177, 171152), (1672, 120482), (1712, 117667), (2033, 99088), (2252, 89452), (2354, 85576), (3344, 60241), (4066, 49544), (4504, 44726), (4708, 42788), (6193, 32528), (8132, 24772), (9008, 22363), (9416, 21394), (10697, 18832), (12386, 16264)]