77052980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{211}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 176833440

約数和(自身を除く): 99780460

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 211, 310, 380, 422, 589, 620, 844, 961, 1055, 1178, 1922, 2110, 2356, 2945, 3844, 4009, 4220, 4805, 5890, 6541, 8018, 9610, 11780, 13082, 16036, 18259, 19220, 20045, 26164, 32705, 36518, 40090, 65410, 73036, 80180, 91295, 124279, 130820, 182590, 202771, 248558, 365180, 405542, 497116, 621395, 811084, 1013855, 1242790, 2027710, 2485580, 3852649, 4055420, 7705298, 15410596, 19263245, 38526490, 77052980]

約数ペア:

[(1, 77052980), (2, 38526490), (4, 19263245), (5, 15410596), (10, 7705298), (19, 4055420), (20, 3852649), (31, 2485580), (38, 2027710), (62, 1242790), (76, 1013855), (95, 811084), (124, 621395), (155, 497116), (190, 405542), (211, 365180), (310, 248558), (380, 202771), (422, 182590), (589, 130820), (620, 124279), (844, 91295), (961, 80180), (1055, 73036), (1178, 65410), (1922, 40090), (2110, 36518), (2356, 32705), (2945, 26164), (3844, 20045), (4009, 19220), (4220, 18259), (4805, 16036), (5890, 13082), (6541, 11780), (8018, 9610)]