207880060

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 471905280

約数和(自身を除く): 264025220

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 47, 74, 86, 94, 139, 148, 172, 185, 188, 215, 235, 278, 370, 430, 470, 556, 695, 740, 860, 940, 1390, 1591, 1739, 2021, 2780, 3182, 3478, 4042, 5143, 5977, 6364, 6533, 6956, 7955, 8084, 8695, 10105, 10286, 11954, 13066, 15910, 17390, 20210, 20572, 23908, 25715, 26132, 29885, 31820, 32665, 34780, 40420, 51430, 59770, 65330, 74777, 102860, 119540, 130660, 149554, 221149, 241721, 280919, 299108, 373885, 442298, 483442, 561838, 747770, 884596, 966884, 1105745, 1123676, 1208605, 1404595, 1495540, 2211490, 2417210, 2809190, 4422980, 4834420, 5618380, 10394003, 20788006, 41576012, 51970015, 103940030, 207880060]

約数ペア:

[(1, 207880060), (2, 103940030), (4, 51970015), (5, 41576012), (10, 20788006), (20, 10394003), (37, 5618380), (43, 4834420), (47, 4422980), (74, 2809190), (86, 2417210), (94, 2211490), (139, 1495540), (148, 1404595), (172, 1208605), (185, 1123676), (188, 1105745), (215, 966884), (235, 884596), (278, 747770), (370, 561838), (430, 483442), (470, 442298), (556, 373885), (695, 299108), (740, 280919), (860, 241721), (940, 221149), (1390, 149554), (1591, 130660), (1739, 119540), (2021, 102860), (2780, 74777), (3182, 65330), (3478, 59770), (4042, 51430), (5143, 40420), (5977, 34780), (6364, 32665), (6533, 31820), (6956, 29885), (7955, 26132), (8084, 25715), (8695, 23908), (10105, 20572), (10286, 20210), (11954, 17390), (13066, 15910)]