800173550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:786

約数の個数: 96

約数和(自身を含む): 1702176768

約数和(自身を除く): 902003218

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 50, 55, 62, 71, 110, 142, 155, 275, 310, 341, 355, 550, 661, 682, 710, 775, 781, 1322, 1550, 1562, 1705, 1775, 2201, 3305, 3410, 3550, 3905, 4402, 6610, 7271, 7810, 8525, 11005, 14542, 16525, 17050, 19525, 20491, 22010, 24211, 33050, 36355, 39050, 40982, 46931, 48422, 55025, 72710, 93862, 102455, 110050, 121055, 181775, 204910, 225401, 234655, 242110, 363550, 450802, 469310, 512275, 516241, 605275, 1024550, 1032482, 1127005, 1173275, 1210550, 1454861, 2254010, 2346550, 2581205, 2909722, 5162410, 5635025, 7274305, 11270050, 12906025, 14548610, 16003471, 25812050, 32006942, 36371525, 72743050, 80017355, 160034710, 400086775, 800173550]

約数ペア:

[(1, 800173550), (2, 400086775), (5, 160034710), (10, 80017355), (11, 72743050), (22, 36371525), (25, 32006942), (31, 25812050), (50, 16003471), (55, 14548610), (62, 12906025), (71, 11270050), (110, 7274305), (142, 5635025), (155, 5162410), (275, 2909722), (310, 2581205), (341, 2346550), (355, 2254010), (550, 1454861), (661, 1210550), (682, 1173275), (710, 1127005), (775, 1032482), (781, 1024550), (1322, 605275), (1550, 516241), (1562, 512275), (1705, 469310), (1775, 450802), (2201, 363550), (3305, 242110), (3410, 234655), (3550, 225401), (3905, 204910), (4402, 181775), (6610, 121055), (7271, 110050), (7810, 102455), (8525, 93862), (11005, 72710), (14542, 55025), (16525, 48422), (17050, 46931), (19525, 40982), (20491, 39050), (22010, 36355), (24211, 33050)]