205121872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:548

約数の個数: 80

約数和(自身を含む): 441936000

約数和(自身を除く): 236814128

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 53, 58, 76, 106, 116, 152, 212, 232, 304, 424, 439, 464, 551, 848, 878, 1007, 1102, 1537, 1756, 2014, 2204, 3074, 3512, 4028, 4408, 6148, 7024, 8056, 8341, 8816, 12296, 12731, 16112, 16682, 23267, 24592, 25462, 29203, 33364, 46534, 50924, 58406, 66728, 93068, 101848, 116812, 133456, 186136, 203696, 233624, 241889, 372272, 442073, 467248, 483778, 674743, 884146, 967556, 1349486, 1768292, 1935112, 2698972, 3536584, 3870224, 5397944, 7073168, 10795888, 12820117, 25640234, 51280468, 102560936, 205121872]

約数ペア:

[(1, 205121872), (2, 102560936), (4, 51280468), (8, 25640234), (16, 12820117), (19, 10795888), (29, 7073168), (38, 5397944), (53, 3870224), (58, 3536584), (76, 2698972), (106, 1935112), (116, 1768292), (152, 1349486), (212, 967556), (232, 884146), (304, 674743), (424, 483778), (439, 467248), (464, 442073), (551, 372272), (848, 241889), (878, 233624), (1007, 203696), (1102, 186136), (1537, 133456), (1756, 116812), (2014, 101848), (2204, 93068), (3074, 66728), (3512, 58406), (4028, 50924), (4408, 46534), (6148, 33364), (7024, 29203), (8056, 25462), (8341, 24592), (8816, 23267), (12296, 16682), (12731, 16112)]