2780800

素因数分解:

$2^7\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1$

素因数の和:114

約数の個数: 96

約数和(自身を含む): 7588800

約数和(自身を除く): 4808000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 79, 80, 88, 100, 110, 128, 158, 160, 176, 200, 220, 275, 316, 320, 352, 395, 400, 440, 550, 632, 640, 704, 790, 800, 869, 880, 1100, 1264, 1408, 1580, 1600, 1738, 1760, 1975, 2200, 2528, 3160, 3200, 3476, 3520, 3950, 4345, 4400, 5056, 6320, 6952, 7040, 7900, 8690, 8800, 10112, 12640, 13904, 15800, 17380, 17600, 21725, 25280, 27808, 31600, 34760, 35200, 43450, 50560, 55616, 63200, 69520, 86900, 111232, 126400, 139040, 173800, 252800, 278080, 347600, 556160, 695200, 1390400, 2780800]

約数ペア:

[(1, 2780800), (2, 1390400), (4, 695200), (5, 556160), (8, 347600), (10, 278080), (11, 252800), (16, 173800), (20, 139040), (22, 126400), (25, 111232), (32, 86900), (40, 69520), (44, 63200), (50, 55616), (55, 50560), (64, 43450), (79, 35200), (80, 34760), (88, 31600), (100, 27808), (110, 25280), (128, 21725), (158, 17600), (160, 17380), (176, 15800), (200, 13904), (220, 12640), (275, 10112), (316, 8800), (320, 8690), (352, 7900), (395, 7040), (400, 6952), (440, 6320), (550, 5056), (632, 4400), (640, 4345), (704, 3950), (790, 3520), (800, 3476), (869, 3200), (880, 3160), (1100, 2528), (1264, 2200), (1408, 1975), (1580, 1760), (1600, 1738)]