421164016

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:140

約数の個数: 180

約数和(自身を含む): 1080852696

約数和(自身を除く): 659688680

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 43, 49, 52, 56, 62, 86, 91, 98, 104, 112, 124, 172, 182, 196, 208, 217, 248, 301, 344, 364, 392, 403, 434, 496, 559, 602, 637, 688, 728, 784, 806, 868, 961, 1118, 1204, 1274, 1333, 1456, 1519, 1612, 1736, 1922, 2107, 2236, 2408, 2548, 2666, 2821, 3038, 3224, 3472, 3844, 3913, 4214, 4472, 4816, 5096, 5332, 5642, 6076, 6448, 6727, 7688, 7826, 8428, 8944, 9331, 10192, 10664, 11284, 12152, 12493, 13454, 15376, 15652, 16856, 17329, 18662, 19747, 21328, 22568, 24304, 24986, 26908, 27391, 31304, 33712, 34658, 37324, 39494, 41323, 45136, 47089, 49972, 53816, 54782, 62608, 65317, 69316, 74648, 78988, 82646, 87451, 94178, 99944, 107632, 109564, 121303, 130634, 138632, 149296, 157976, 165292, 174902, 188356, 199888, 219128, 242606, 261268, 277264, 289261, 315952, 330584, 349804, 376712, 438256, 485212, 522536, 537199, 578522, 612157, 661168, 699608, 753424, 849121, 970424, 1045072, 1074398, 1157044, 1224314, 1399216, 1698242, 1940848, 2024827, 2148796, 2314088, 2448628, 3396484, 3760393, 4049654, 4297592, 4628176, 4897256, 6792968, 7520786, 8099308, 8595184, 9794512, 13585936, 15041572, 16198616, 26322751, 30083144, 32397232, 52645502, 60166288, 105291004, 210582008, 421164016]

約数ペア:

[(1, 421164016), (2, 210582008), (4, 105291004), (7, 60166288), (8, 52645502), (13, 32397232), (14, 30083144), (16, 26322751), (26, 16198616), (28, 15041572), (31, 13585936), (43, 9794512), (49, 8595184), (52, 8099308), (56, 7520786), (62, 6792968), (86, 4897256), (91, 4628176), (98, 4297592), (104, 4049654), (112, 3760393), (124, 3396484), (172, 2448628), (182, 2314088), (196, 2148796), (208, 2024827), (217, 1940848), (248, 1698242), (301, 1399216), (344, 1224314), (364, 1157044), (392, 1074398), (403, 1045072), (434, 970424), (496, 849121), (559, 753424), (602, 699608), (637, 661168), (688, 612157), (728, 578522), (784, 537199), (806, 522536), (868, 485212), (961, 438256), (1118, 376712), (1204, 349804), (1274, 330584), (1333, 315952), (1456, 289261), (1519, 277264), (1612, 261268), (1736, 242606), (1922, 219128), (2107, 199888), (2236, 188356), (2408, 174902), (2548, 165292), (2666, 157976), (2821, 149296), (3038, 138632), (3224, 130634), (3472, 121303), (3844, 109564), (3913, 107632), (4214, 99944), (4472, 94178), (4816, 87451), (5096, 82646), (5332, 78988), (5642, 74648), (6076, 69316), (6448, 65317), (6727, 62608), (7688, 54782), (7826, 53816), (8428, 49972), (8944, 47089), (9331, 45136), (10192, 41323), (10664, 39494), (11284, 37324), (12152, 34658), (12493, 33712), (13454, 31304), (15376, 27391), (15652, 26908), (16856, 24986), (17329, 24304), (18662, 22568), (19747, 21328)]