138978828

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:285

約数の個数: 120

約数和(自身を含む): 381515904

約数和(自身を除く): 242537076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 101, 108, 124, 137, 162, 186, 202, 274, 279, 303, 324, 372, 404, 411, 548, 558, 606, 822, 837, 909, 1116, 1212, 1233, 1644, 1674, 1818, 2466, 2511, 2727, 3131, 3348, 3636, 3699, 4247, 4932, 5022, 5454, 6262, 7398, 8181, 8494, 9393, 10044, 10908, 11097, 12524, 12741, 13837, 14796, 16362, 16988, 18786, 22194, 25482, 27674, 28179, 32724, 37572, 38223, 41511, 44388, 50964, 55348, 56358, 76446, 83022, 84537, 112716, 114669, 124533, 152892, 166044, 169074, 229338, 249066, 253611, 338148, 344007, 373599, 428947, 458676, 498132, 507222, 688014, 747198, 857894, 1014444, 1120797, 1286841, 1376028, 1494396, 1715788, 2241594, 2573682, 3860523, 4483188, 5147364, 7721046, 11581569, 15442092, 23163138, 34744707, 46326276, 69489414, 138978828]

約数ペア:

[(1, 138978828), (2, 69489414), (3, 46326276), (4, 34744707), (6, 23163138), (9, 15442092), (12, 11581569), (18, 7721046), (27, 5147364), (31, 4483188), (36, 3860523), (54, 2573682), (62, 2241594), (81, 1715788), (93, 1494396), (101, 1376028), (108, 1286841), (124, 1120797), (137, 1014444), (162, 857894), (186, 747198), (202, 688014), (274, 507222), (279, 498132), (303, 458676), (324, 428947), (372, 373599), (404, 344007), (411, 338148), (548, 253611), (558, 249066), (606, 229338), (822, 169074), (837, 166044), (909, 152892), (1116, 124533), (1212, 114669), (1233, 112716), (1644, 84537), (1674, 83022), (1818, 76446), (2466, 56358), (2511, 55348), (2727, 50964), (3131, 44388), (3348, 41511), (3636, 38223), (3699, 37572), (4247, 32724), (4932, 28179), (5022, 27674), (5454, 25482), (6262, 22194), (7398, 18786), (8181, 16988), (8494, 16362), (9393, 14796), (10044, 13837), (10908, 12741), (11097, 12524)]