200728880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{743}}^1$

素因数の和:1074

約数の個数: 80

約数和(自身を含む): 511467264

約数和(自身を除く): 310738384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 307, 440, 614, 743, 880, 1228, 1486, 1535, 2456, 2972, 3070, 3377, 3715, 4912, 5944, 6140, 6754, 7430, 8173, 11888, 12280, 13508, 14860, 16346, 16885, 24560, 27016, 29720, 32692, 33770, 40865, 54032, 59440, 65384, 67540, 81730, 130768, 135080, 163460, 228101, 270160, 326920, 456202, 653840, 912404, 1140505, 1824808, 2281010, 2509111, 3649616, 4562020, 5018222, 9124040, 10036444, 12545555, 18248080, 20072888, 25091110, 40145776, 50182220, 100364440, 200728880]

約数ペア:

[(1, 200728880), (2, 100364440), (4, 50182220), (5, 40145776), (8, 25091110), (10, 20072888), (11, 18248080), (16, 12545555), (20, 10036444), (22, 9124040), (40, 5018222), (44, 4562020), (55, 3649616), (80, 2509111), (88, 2281010), (110, 1824808), (176, 1140505), (220, 912404), (307, 653840), (440, 456202), (614, 326920), (743, 270160), (880, 228101), (1228, 163460), (1486, 135080), (1535, 130768), (2456, 81730), (2972, 67540), (3070, 65384), (3377, 59440), (3715, 54032), (4912, 40865), (5944, 33770), (6140, 32692), (6754, 29720), (7430, 27016), (8173, 24560), (11888, 16885), (12280, 16346), (13508, 14860)]