28314300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 95271680

約数和(自身を除く): 66957380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 97, 100, 105, 139, 140, 150, 175, 194, 210, 278, 291, 300, 350, 388, 417, 420, 485, 525, 556, 582, 679, 695, 700, 834, 970, 973, 1050, 1164, 1358, 1390, 1455, 1668, 1940, 1946, 2037, 2085, 2100, 2425, 2716, 2780, 2910, 2919, 3395, 3475, 3892, 4074, 4170, 4850, 4865, 5820, 5838, 6790, 6950, 7275, 8148, 8340, 9700, 9730, 10185, 10425, 11676, 13483, 13580, 13900, 14550, 14595, 16975, 19460, 20370, 20850, 24325, 26966, 29100, 29190, 33950, 40449, 40740, 41700, 48650, 50925, 53932, 58380, 67415, 67900, 72975, 80898, 94381, 97300, 101850, 134830, 145950, 161796, 188762, 202245, 203700, 269660, 283143, 291900, 337075, 377524, 404490, 471905, 566286, 674150, 808980, 943810, 1011225, 1132572, 1348300, 1415715, 1887620, 2022450, 2359525, 2831430, 4044900, 4719050, 5662860, 7078575, 9438100, 14157150, 28314300]

約数ペア:

[(1, 28314300), (2, 14157150), (3, 9438100), (4, 7078575), (5, 5662860), (6, 4719050), (7, 4044900), (10, 2831430), (12, 2359525), (14, 2022450), (15, 1887620), (20, 1415715), (21, 1348300), (25, 1132572), (28, 1011225), (30, 943810), (35, 808980), (42, 674150), (50, 566286), (60, 471905), (70, 404490), (75, 377524), (84, 337075), (97, 291900), (100, 283143), (105, 269660), (139, 203700), (140, 202245), (150, 188762), (175, 161796), (194, 145950), (210, 134830), (278, 101850), (291, 97300), (300, 94381), (350, 80898), (388, 72975), (417, 67900), (420, 67415), (485, 58380), (525, 53932), (556, 50925), (582, 48650), (679, 41700), (695, 40740), (700, 40449), (834, 33950), (970, 29190), (973, 29100), (1050, 26966), (1164, 24325), (1358, 20850), (1390, 20370), (1455, 19460), (1668, 16975), (1940, 14595), (1946, 14550), (2037, 13900), (2085, 13580), (2100, 13483), (2425, 11676), (2716, 10425), (2780, 10185), (2910, 9730), (2919, 9700), (3395, 8340), (3475, 8148), (3892, 7275), (4074, 6950), (4170, 6790), (4850, 5838), (4865, 5820)]