2912310100

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:663

約数の個数: 144

約数和(自身を含む): 7424524800

約数和(自身を除く): 4512214700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 197, 245, 343, 350, 394, 431, 490, 686, 700, 788, 862, 980, 985, 1225, 1372, 1379, 1715, 1724, 1970, 2155, 2450, 2758, 3017, 3430, 3940, 4310, 4900, 4925, 5516, 6034, 6860, 6895, 8575, 8620, 9653, 9850, 10775, 12068, 13790, 15085, 17150, 19306, 19700, 21119, 21550, 27580, 30170, 34300, 34475, 38612, 42238, 43100, 48265, 60340, 67571, 68950, 75425, 84476, 84907, 96530, 105595, 135142, 137900, 147833, 150850, 169814, 193060, 211190, 241325, 270284, 295666, 301700, 337855, 339628, 422380, 424535, 482650, 527975, 591332, 594349, 675710, 739165, 849070, 965300, 1055950, 1188698, 1351420, 1478330, 1689275, 1698140, 2111900, 2122675, 2377396, 2956660, 2971745, 3378550, 3695825, 4160443, 4245350, 5943490, 6757100, 7391650, 8320886, 8490700, 11886980, 14783300, 14858725, 16641772, 20802215, 29123101, 29717450, 41604430, 58246202, 59434900, 83208860, 104011075, 116492404, 145615505, 208022150, 291231010, 416044300, 582462020, 728077525, 1456155050, 2912310100]

約数ペア:

[(1, 2912310100), (2, 1456155050), (4, 728077525), (5, 582462020), (7, 416044300), (10, 291231010), (14, 208022150), (20, 145615505), (25, 116492404), (28, 104011075), (35, 83208860), (49, 59434900), (50, 58246202), (70, 41604430), (98, 29717450), (100, 29123101), (140, 20802215), (175, 16641772), (196, 14858725), (197, 14783300), (245, 11886980), (343, 8490700), (350, 8320886), (394, 7391650), (431, 6757100), (490, 5943490), (686, 4245350), (700, 4160443), (788, 3695825), (862, 3378550), (980, 2971745), (985, 2956660), (1225, 2377396), (1372, 2122675), (1379, 2111900), (1715, 1698140), (1724, 1689275), (1970, 1478330), (2155, 1351420), (2450, 1188698), (2758, 1055950), (3017, 965300), (3430, 849070), (3940, 739165), (4310, 675710), (4900, 594349), (4925, 591332), (5516, 527975), (6034, 482650), (6860, 424535), (6895, 422380), (8575, 339628), (8620, 337855), (9653, 301700), (9850, 295666), (10775, 270284), (12068, 241325), (13790, 211190), (15085, 193060), (17150, 169814), (19306, 150850), (19700, 147833), (21119, 137900), (21550, 135142), (27580, 105595), (30170, 96530), (34300, 84907), (34475, 84476), (38612, 75425), (42238, 68950), (43100, 67571), (48265, 60340)]