808216780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{1559}}^1$

素因数の和:1628

約数の個数: 108

約数和(自身を含む): 2065255920

約数和(自身を除く): 1257039140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 529, 644, 805, 980, 1058, 1127, 1559, 1610, 2116, 2254, 2645, 3118, 3220, 3703, 4508, 5290, 5635, 6236, 7406, 7795, 10580, 10913, 11270, 14812, 15590, 18515, 21826, 22540, 25921, 31180, 35857, 37030, 43652, 51842, 54565, 71714, 74060, 76391, 103684, 109130, 129605, 143428, 152782, 179285, 218260, 250999, 259210, 305564, 358570, 381955, 501998, 518420, 717140, 763910, 824711, 1003996, 1254995, 1527820, 1649422, 1756993, 2509990, 3298844, 3513986, 4123555, 5019980, 5772977, 7027972, 8247110, 8784965, 11545954, 16494220, 17569930, 23091908, 28864885, 35139860, 40410839, 57729770, 80821678, 115459540, 161643356, 202054195, 404108390, 808216780]

約数ペア:

[(1, 808216780), (2, 404108390), (4, 202054195), (5, 161643356), (7, 115459540), (10, 80821678), (14, 57729770), (20, 40410839), (23, 35139860), (28, 28864885), (35, 23091908), (46, 17569930), (49, 16494220), (70, 11545954), (92, 8784965), (98, 8247110), (115, 7027972), (140, 5772977), (161, 5019980), (196, 4123555), (230, 3513986), (245, 3298844), (322, 2509990), (460, 1756993), (490, 1649422), (529, 1527820), (644, 1254995), (805, 1003996), (980, 824711), (1058, 763910), (1127, 717140), (1559, 518420), (1610, 501998), (2116, 381955), (2254, 358570), (2645, 305564), (3118, 259210), (3220, 250999), (3703, 218260), (4508, 179285), (5290, 152782), (5635, 143428), (6236, 129605), (7406, 109130), (7795, 103684), (10580, 76391), (10913, 74060), (11270, 71714), (14812, 54565), (15590, 51842), (18515, 43652), (21826, 37030), (22540, 35857), (25921, 31180)]