420077900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 1045266432

約数和(自身を除く): 625188532

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 97, 100, 110, 124, 127, 155, 194, 220, 254, 275, 310, 341, 388, 485, 508, 550, 620, 635, 682, 775, 970, 1067, 1100, 1270, 1364, 1397, 1550, 1705, 1940, 2134, 2425, 2540, 2794, 3007, 3100, 3175, 3410, 3937, 4268, 4850, 5335, 5588, 6014, 6350, 6820, 6985, 7874, 8525, 9700, 10670, 12028, 12319, 12700, 13970, 15035, 15748, 17050, 19685, 21340, 24638, 26675, 27940, 30070, 33077, 34100, 34925, 39370, 43307, 49276, 53350, 60140, 61595, 66154, 69850, 75175, 78740, 86614, 98425, 106700, 123190, 132308, 135509, 139700, 150350, 165385, 173228, 196850, 216535, 246380, 271018, 300700, 307975, 330770, 381889, 393700, 433070, 542036, 615950, 661540, 677545, 763778, 826925, 866140, 1082675, 1231900, 1355090, 1527556, 1653850, 1909445, 2165350, 2710180, 3307700, 3387725, 3818890, 4200779, 4330700, 6775450, 7637780, 8401558, 9547225, 13550900, 16803116, 19094450, 21003895, 38188900, 42007790, 84015580, 105019475, 210038950, 420077900]

約数ペア:

[(1, 420077900), (2, 210038950), (4, 105019475), (5, 84015580), (10, 42007790), (11, 38188900), (20, 21003895), (22, 19094450), (25, 16803116), (31, 13550900), (44, 9547225), (50, 8401558), (55, 7637780), (62, 6775450), (97, 4330700), (100, 4200779), (110, 3818890), (124, 3387725), (127, 3307700), (155, 2710180), (194, 2165350), (220, 1909445), (254, 1653850), (275, 1527556), (310, 1355090), (341, 1231900), (388, 1082675), (485, 866140), (508, 826925), (550, 763778), (620, 677545), (635, 661540), (682, 615950), (775, 542036), (970, 433070), (1067, 393700), (1100, 381889), (1270, 330770), (1364, 307975), (1397, 300700), (1550, 271018), (1705, 246380), (1940, 216535), (2134, 196850), (2425, 173228), (2540, 165385), (2794, 150350), (3007, 139700), (3100, 135509), (3175, 132308), (3410, 123190), (3937, 106700), (4268, 98425), (4850, 86614), (5335, 78740), (5588, 75175), (6014, 69850), (6350, 66154), (6820, 61595), (6985, 60140), (7874, 53350), (8525, 49276), (9700, 43307), (10670, 39370), (12028, 34925), (12319, 34100), (12700, 33077), (13970, 30070), (15035, 27940), (15748, 26675), (17050, 24638), (19685, 21340)]