19481400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 66736800

約数和(自身を除く): 47255400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 79, 90, 100, 120, 137, 150, 158, 180, 200, 225, 237, 274, 300, 316, 360, 395, 411, 450, 474, 548, 600, 632, 685, 711, 790, 822, 900, 948, 1096, 1185, 1233, 1370, 1422, 1580, 1644, 1800, 1896, 1975, 2055, 2370, 2466, 2740, 2844, 3160, 3288, 3425, 3555, 3950, 4110, 4740, 4932, 5480, 5688, 5925, 6165, 6850, 7110, 7900, 8220, 9480, 9864, 10275, 10823, 11850, 12330, 13700, 14220, 15800, 16440, 17775, 20550, 21646, 23700, 24660, 27400, 28440, 30825, 32469, 35550, 41100, 43292, 47400, 49320, 54115, 61650, 64938, 71100, 82200, 86584, 97407, 108230, 123300, 129876, 142200, 162345, 194814, 216460, 246600, 259752, 270575, 324690, 389628, 432920, 487035, 541150, 649380, 779256, 811725, 974070, 1082300, 1298760, 1623450, 1948140, 2164600, 2435175, 3246900, 3896280, 4870350, 6493800, 9740700, 19481400]

約数ペア:

[(1, 19481400), (2, 9740700), (3, 6493800), (4, 4870350), (5, 3896280), (6, 3246900), (8, 2435175), (9, 2164600), (10, 1948140), (12, 1623450), (15, 1298760), (18, 1082300), (20, 974070), (24, 811725), (25, 779256), (30, 649380), (36, 541150), (40, 487035), (45, 432920), (50, 389628), (60, 324690), (72, 270575), (75, 259752), (79, 246600), (90, 216460), (100, 194814), (120, 162345), (137, 142200), (150, 129876), (158, 123300), (180, 108230), (200, 97407), (225, 86584), (237, 82200), (274, 71100), (300, 64938), (316, 61650), (360, 54115), (395, 49320), (411, 47400), (450, 43292), (474, 41100), (548, 35550), (600, 32469), (632, 30825), (685, 28440), (711, 27400), (790, 24660), (822, 23700), (900, 21646), (948, 20550), (1096, 17775), (1185, 16440), (1233, 15800), (1370, 14220), (1422, 13700), (1580, 12330), (1644, 11850), (1800, 10823), (1896, 10275), (1975, 9864), (2055, 9480), (2370, 8220), (2466, 7900), (2740, 7110), (2844, 6850), (3160, 6165), (3288, 5925), (3425, 5688), (3555, 5480), (3950, 4932), (4110, 4740)]