420536576

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2789}}^1$

素因数の和:2855

約数の個数: 72

約数和(自身を含む): 912441600

約数和(自身を除く): 491905024

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 256, 304, 496, 589, 608, 992, 1178, 1216, 1984, 2356, 2432, 2789, 3968, 4712, 4864, 5578, 7936, 9424, 11156, 18848, 22312, 37696, 44624, 52991, 75392, 86459, 89248, 105982, 150784, 172918, 178496, 211964, 345836, 356992, 423928, 691672, 713984, 847856, 1383344, 1642721, 1695712, 2766688, 3285442, 3391424, 5533376, 6570884, 6782848, 11066752, 13141768, 13565696, 22133504, 26283536, 52567072, 105134144, 210268288, 420536576]

約数ペア:

[(1, 420536576), (2, 210268288), (4, 105134144), (8, 52567072), (16, 26283536), (19, 22133504), (31, 13565696), (32, 13141768), (38, 11066752), (62, 6782848), (64, 6570884), (76, 5533376), (124, 3391424), (128, 3285442), (152, 2766688), (248, 1695712), (256, 1642721), (304, 1383344), (496, 847856), (589, 713984), (608, 691672), (992, 423928), (1178, 356992), (1216, 345836), (1984, 211964), (2356, 178496), (2432, 172918), (2789, 150784), (3968, 105982), (4712, 89248), (4864, 86459), (5578, 75392), (7936, 52991), (9424, 44624), (11156, 37696), (18848, 22312)]