138318880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{123499}}^1$

素因数の和:123521

約数の個数: 48

約数和(自身を含む): 373464000

約数和(自身を除く): 235145120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 123499, 246998, 493996, 617495, 864493, 987992, 1234990, 1728986, 1975984, 2469980, 3457972, 3951968, 4322465, 4939960, 6915944, 8644930, 9879920, 13831888, 17289860, 19759840, 27663776, 34579720, 69159440, 138318880]

約数ペア:

[(1, 138318880), (2, 69159440), (4, 34579720), (5, 27663776), (7, 19759840), (8, 17289860), (10, 13831888), (14, 9879920), (16, 8644930), (20, 6915944), (28, 4939960), (32, 4322465), (35, 3951968), (40, 3457972), (56, 2469980), (70, 1975984), (80, 1728986), (112, 1234990), (140, 987992), (160, 864493), (224, 617495), (280, 493996), (560, 246998), (1120, 123499)]