2178174852

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{419}}^1\times {\mathrm{421}}^1$

素因数の和:871

約数の個数: 144

約数和(自身を含む): 6451536000

約数和(自身を除く): 4273361148

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 419, 421, 441, 588, 686, 838, 842, 882, 1029, 1257, 1263, 1372, 1676, 1684, 1764, 2058, 2514, 2526, 2933, 2947, 3087, 3771, 3789, 4116, 5028, 5052, 5866, 5894, 6174, 7542, 7578, 8799, 8841, 11732, 11788, 12348, 15084, 15156, 17598, 17682, 20531, 20629, 26397, 26523, 35196, 35364, 41062, 41258, 52794, 53046, 61593, 61887, 82124, 82516, 105588, 106092, 123186, 123774, 143717, 144403, 176399, 184779, 185661, 246372, 247548, 287434, 288806, 352798, 369558, 371322, 431151, 433209, 529197, 574868, 577612, 705596, 739116, 742644, 862302, 866418, 1058394, 1234793, 1293453, 1299627, 1587591, 1724604, 1732836, 2116788, 2469586, 2586906, 2599254, 3175182, 3704379, 4939172, 5173812, 5198508, 6350364, 7408758, 8643551, 11113137, 14817516, 17287102, 22226274, 25930653, 34574204, 44452548, 51861306, 60504857, 77791959, 103722612, 121009714, 155583918, 181514571, 242019428, 311167836, 363029142, 544543713, 726058284, 1089087426, 2178174852]

約数ペア:

[(1, 2178174852), (2, 1089087426), (3, 726058284), (4, 544543713), (6, 363029142), (7, 311167836), (9, 242019428), (12, 181514571), (14, 155583918), (18, 121009714), (21, 103722612), (28, 77791959), (36, 60504857), (42, 51861306), (49, 44452548), (63, 34574204), (84, 25930653), (98, 22226274), (126, 17287102), (147, 14817516), (196, 11113137), (252, 8643551), (294, 7408758), (343, 6350364), (419, 5198508), (421, 5173812), (441, 4939172), (588, 3704379), (686, 3175182), (838, 2599254), (842, 2586906), (882, 2469586), (1029, 2116788), (1257, 1732836), (1263, 1724604), (1372, 1587591), (1676, 1299627), (1684, 1293453), (1764, 1234793), (2058, 1058394), (2514, 866418), (2526, 862302), (2933, 742644), (2947, 739116), (3087, 705596), (3771, 577612), (3789, 574868), (4116, 529197), (5028, 433209), (5052, 431151), (5866, 371322), (5894, 369558), (6174, 352798), (7542, 288806), (7578, 287434), (8799, 247548), (8841, 246372), (11732, 185661), (11788, 184779), (12348, 176399), (15084, 144403), (15156, 143717), (17598, 123774), (17682, 123186), (20531, 106092), (20629, 105588), (26397, 82516), (26523, 82124), (35196, 61887), (35364, 61593), (41062, 53046), (41258, 52794)]