17966041900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:564

約数の個数: 144

約数和(自身を含む): 40760967520

約数和(自身を除く): 22794925620

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 139, 148, 181, 185, 193, 278, 362, 370, 386, 556, 695, 724, 740, 772, 905, 925, 965, 1390, 1810, 1850, 1930, 2780, 3475, 3620, 3700, 3860, 4525, 4825, 5143, 6697, 6950, 7141, 9050, 9650, 10286, 13394, 13900, 14282, 18100, 19300, 20572, 25159, 25715, 26788, 26827, 28564, 33485, 34933, 35705, 50318, 51430, 53654, 66970, 69866, 71410, 100636, 102860, 107308, 125795, 128575, 133940, 134135, 139732, 142820, 167425, 174665, 178525, 251590, 257150, 268270, 334850, 349330, 357050, 503180, 514300, 536540, 628975, 669700, 670675, 698660, 714100, 873325, 930883, 992599, 1257950, 1292521, 1341350, 1746650, 1861766, 1985198, 2515900, 2585042, 2682700, 3493300, 3723532, 3970396, 4654415, 4855687, 4962995, 5170084, 6462605, 9308830, 9711374, 9925990, 12925210, 18617660, 19422748, 19851980, 23272075, 24278435, 24814975, 25850420, 32313025, 46544150, 48556870, 49629950, 64626050, 93088300, 97113740, 99259900, 121392175, 129252100, 179660419, 242784350, 359320838, 485568700, 718641676, 898302095, 1796604190, 3593208380, 4491510475, 8983020950, 17966041900]

約数ペア:

[(1, 17966041900), (2, 8983020950), (4, 4491510475), (5, 3593208380), (10, 1796604190), (20, 898302095), (25, 718641676), (37, 485568700), (50, 359320838), (74, 242784350), (100, 179660419), (139, 129252100), (148, 121392175), (181, 99259900), (185, 97113740), (193, 93088300), (278, 64626050), (362, 49629950), (370, 48556870), (386, 46544150), (556, 32313025), (695, 25850420), (724, 24814975), (740, 24278435), (772, 23272075), (905, 19851980), (925, 19422748), (965, 18617660), (1390, 12925210), (1810, 9925990), (1850, 9711374), (1930, 9308830), (2780, 6462605), (3475, 5170084), (3620, 4962995), (3700, 4855687), (3860, 4654415), (4525, 3970396), (4825, 3723532), (5143, 3493300), (6697, 2682700), (6950, 2585042), (7141, 2515900), (9050, 1985198), (9650, 1861766), (10286, 1746650), (13394, 1341350), (13900, 1292521), (14282, 1257950), (18100, 992599), (19300, 930883), (20572, 873325), (25159, 714100), (25715, 698660), (26788, 670675), (26827, 669700), (28564, 628975), (33485, 536540), (34933, 514300), (35705, 503180), (50318, 357050), (51430, 349330), (53654, 334850), (66970, 268270), (69866, 257150), (71410, 251590), (100636, 178525), (102860, 174665), (107308, 167425), (125795, 142820), (128575, 139732), (133940, 134135)]