129887380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{4397}}^1$

素因数の和:4624

約数の個数: 48

約数和(自身を含む): 313278336

約数和(自身を除く): 183390956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 2110, 2954, 4220, 4397, 5908, 7385, 8794, 14770, 17588, 21985, 29540, 30779, 43970, 61558, 87940, 123116, 153895, 307790, 615580, 927767, 1855534, 3711068, 4638835, 6494369, 9277670, 12988738, 18555340, 25977476, 32471845, 64943690, 129887380]

約数ペア:

[(1, 129887380), (2, 64943690), (4, 32471845), (5, 25977476), (7, 18555340), (10, 12988738), (14, 9277670), (20, 6494369), (28, 4638835), (35, 3711068), (70, 1855534), (140, 927767), (211, 615580), (422, 307790), (844, 153895), (1055, 123116), (1477, 87940), (2110, 61558), (2954, 43970), (4220, 30779), (4397, 29540), (5908, 21985), (7385, 17588), (8794, 14770)]