200725720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 510935040

約数和(自身を除く): 310209320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 47, 52, 65, 86, 94, 104, 130, 172, 188, 191, 215, 235, 260, 344, 376, 382, 430, 470, 520, 559, 611, 764, 860, 940, 955, 1118, 1222, 1528, 1720, 1880, 1910, 2021, 2236, 2444, 2483, 2795, 3055, 3820, 4042, 4472, 4888, 4966, 5590, 6110, 7640, 8084, 8213, 8977, 9932, 10105, 11180, 12220, 12415, 16168, 16426, 17954, 19864, 20210, 22360, 24440, 24830, 26273, 32852, 35908, 40420, 41065, 44885, 49660, 52546, 65704, 71816, 80840, 82130, 89770, 99320, 105092, 106769, 116701, 131365, 164260, 179540, 210184, 213538, 233402, 262730, 328520, 359080, 386011, 427076, 466804, 525460, 533845, 583505, 772022, 854152, 933608, 1050920, 1067690, 1167010, 1544044, 1930055, 2135380, 2334020, 3088088, 3860110, 4270760, 4668040, 5018143, 7720220, 10036286, 15440440, 20072572, 25090715, 40145144, 50181430, 100362860, 200725720]

約数ペア:

[(1, 200725720), (2, 100362860), (4, 50181430), (5, 40145144), (8, 25090715), (10, 20072572), (13, 15440440), (20, 10036286), (26, 7720220), (40, 5018143), (43, 4668040), (47, 4270760), (52, 3860110), (65, 3088088), (86, 2334020), (94, 2135380), (104, 1930055), (130, 1544044), (172, 1167010), (188, 1067690), (191, 1050920), (215, 933608), (235, 854152), (260, 772022), (344, 583505), (376, 533845), (382, 525460), (430, 466804), (470, 427076), (520, 386011), (559, 359080), (611, 328520), (764, 262730), (860, 233402), (940, 213538), (955, 210184), (1118, 179540), (1222, 164260), (1528, 131365), (1720, 116701), (1880, 106769), (1910, 105092), (2021, 99320), (2236, 89770), (2444, 82130), (2483, 80840), (2795, 71816), (3055, 65704), (3820, 52546), (4042, 49660), (4472, 44885), (4888, 41065), (4966, 40420), (5590, 35908), (6110, 32852), (7640, 26273), (8084, 24830), (8213, 24440), (8977, 22360), (9932, 20210), (10105, 19864), (11180, 17954), (12220, 16426), (12415, 16168)]