71812400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{859}}^1$

素因数の和:907

約数の個数: 120

約数和(自身を含む): 198350400

約数和(自身を除く): 126538000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 80, 88, 95, 100, 110, 152, 176, 190, 200, 209, 220, 275, 304, 380, 400, 418, 440, 475, 550, 760, 836, 859, 880, 950, 1045, 1100, 1520, 1672, 1718, 1900, 2090, 2200, 3344, 3436, 3800, 4180, 4295, 4400, 5225, 6872, 7600, 8360, 8590, 9449, 10450, 13744, 16321, 16720, 17180, 18898, 20900, 21475, 32642, 34360, 37796, 41800, 42950, 47245, 65284, 68720, 75592, 81605, 83600, 85900, 94490, 130568, 151184, 163210, 171800, 179531, 188980, 236225, 261136, 326420, 343600, 359062, 377960, 408025, 472450, 652840, 718124, 755920, 816050, 897655, 944900, 1305680, 1436248, 1632100, 1795310, 1889800, 2872496, 3264200, 3590620, 3779600, 4488275, 6528400, 7181240, 8976550, 14362480, 17953100, 35906200, 71812400]

約数ペア:

[(1, 71812400), (2, 35906200), (4, 17953100), (5, 14362480), (8, 8976550), (10, 7181240), (11, 6528400), (16, 4488275), (19, 3779600), (20, 3590620), (22, 3264200), (25, 2872496), (38, 1889800), (40, 1795310), (44, 1632100), (50, 1436248), (55, 1305680), (76, 944900), (80, 897655), (88, 816050), (95, 755920), (100, 718124), (110, 652840), (152, 472450), (176, 408025), (190, 377960), (200, 359062), (209, 343600), (220, 326420), (275, 261136), (304, 236225), (380, 188980), (400, 179531), (418, 171800), (440, 163210), (475, 151184), (550, 130568), (760, 94490), (836, 85900), (859, 83600), (880, 81605), (950, 75592), (1045, 68720), (1100, 65284), (1520, 47245), (1672, 42950), (1718, 41800), (1900, 37796), (2090, 34360), (2200, 32642), (3344, 21475), (3436, 20900), (3800, 18898), (4180, 17180), (4295, 16720), (4400, 16321), (5225, 13744), (6872, 10450), (7600, 9449), (8360, 8590)]