2149783840

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{138517}}^1$

素因数の和:138629

約数の個数: 48

約数和(自身を含む): 5131260792

約数和(自身を除く): 2981476952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 7760, 15520, 138517, 277034, 554068, 692585, 1108136, 1385170, 2216272, 2770340, 4432544, 5540680, 11081360, 13436149, 22162720, 26872298, 53744596, 67180745, 107489192, 134361490, 214978384, 268722980, 429956768, 537445960, 1074891920, 2149783840]

約数ペア:

[(1, 2149783840), (2, 1074891920), (4, 537445960), (5, 429956768), (8, 268722980), (10, 214978384), (16, 134361490), (20, 107489192), (32, 67180745), (40, 53744596), (80, 26872298), (97, 22162720), (160, 13436149), (194, 11081360), (388, 5540680), (485, 4432544), (776, 2770340), (970, 2216272), (1552, 1385170), (1940, 1108136), (3104, 692585), (3880, 554068), (7760, 277034), (15520, 138517)]