997614080

素因数分解:

$2^9\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2153}}^1$

素因数の和:2357

約数の個数: 80

約数和(自身を含む): 2406267864

約数和(自身を除く): 1408653784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 256, 320, 362, 512, 640, 724, 905, 1280, 1448, 1810, 2153, 2560, 2896, 3620, 4306, 5792, 7240, 8612, 10765, 11584, 14480, 17224, 21530, 23168, 28960, 34448, 43060, 46336, 57920, 68896, 86120, 92672, 115840, 137792, 172240, 231680, 275584, 344480, 389693, 463360, 551168, 688960, 779386, 1102336, 1377920, 1558772, 1948465, 2755840, 3117544, 3896930, 5511680, 6235088, 7793860, 12470176, 15587720, 24940352, 31175440, 49880704, 62350880, 99761408, 124701760, 199522816, 249403520, 498807040, 997614080]

約数ペア:

[(1, 997614080), (2, 498807040), (4, 249403520), (5, 199522816), (8, 124701760), (10, 99761408), (16, 62350880), (20, 49880704), (32, 31175440), (40, 24940352), (64, 15587720), (80, 12470176), (128, 7793860), (160, 6235088), (181, 5511680), (256, 3896930), (320, 3117544), (362, 2755840), (512, 1948465), (640, 1558772), (724, 1377920), (905, 1102336), (1280, 779386), (1448, 688960), (1810, 551168), (2153, 463360), (2560, 389693), (2896, 344480), (3620, 275584), (4306, 231680), (5792, 172240), (7240, 137792), (8612, 115840), (10765, 92672), (11584, 86120), (14480, 68896), (17224, 57920), (21530, 46336), (23168, 43060), (28960, 34448)]