2109268210

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:381

約数の個数: 128

約数和(自身を含む): 4644864000

約数和(自身を除く): 2535595790

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 83, 98, 155, 166, 217, 239, 245, 310, 343, 415, 434, 478, 490, 581, 686, 830, 1085, 1162, 1195, 1519, 1673, 1715, 2170, 2390, 2573, 2905, 3038, 3346, 3430, 4067, 5146, 5810, 7409, 7595, 8134, 8365, 10633, 11711, 12865, 14818, 15190, 16730, 18011, 19837, 20335, 21266, 23422, 25730, 28469, 36022, 37045, 39674, 40670, 51863, 53165, 56938, 58555, 74090, 81977, 90055, 99185, 103726, 106330, 117110, 126077, 138859, 142345, 163954, 180110, 198370, 252154, 259315, 277718, 284690, 363041, 409885, 518630, 614947, 630385, 694295, 726082, 819770, 882539, 972013, 1229894, 1260770, 1388590, 1765078, 1815205, 1944026, 2541287, 3074735, 3630410, 4304629, 4412695, 4860065, 5082574, 6149470, 6804091, 8609258, 8825390, 9720130, 12706435, 13608182, 21523145, 25412870, 30132403, 34020455, 43046290, 60264806, 68040910, 150662015, 210926821, 301324030, 421853642, 1054634105, 2109268210]

約数ペア:

[(1, 2109268210), (2, 1054634105), (5, 421853642), (7, 301324030), (10, 210926821), (14, 150662015), (31, 68040910), (35, 60264806), (49, 43046290), (62, 34020455), (70, 30132403), (83, 25412870), (98, 21523145), (155, 13608182), (166, 12706435), (217, 9720130), (239, 8825390), (245, 8609258), (310, 6804091), (343, 6149470), (415, 5082574), (434, 4860065), (478, 4412695), (490, 4304629), (581, 3630410), (686, 3074735), (830, 2541287), (1085, 1944026), (1162, 1815205), (1195, 1765078), (1519, 1388590), (1673, 1260770), (1715, 1229894), (2170, 972013), (2390, 882539), (2573, 819770), (2905, 726082), (3038, 694295), (3346, 630385), (3430, 614947), (4067, 518630), (5146, 409885), (5810, 363041), (7409, 284690), (7595, 277718), (8134, 259315), (8365, 252154), (10633, 198370), (11711, 180110), (12865, 163954), (14818, 142345), (15190, 138859), (16730, 126077), (18011, 117110), (19837, 106330), (20335, 103726), (21266, 99185), (23422, 90055), (25730, 81977), (28469, 74090), (36022, 58555), (37045, 56938), (39674, 53165), (40670, 51863)]