140446520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2909}}^1$

素因数の和:3008

約数の個数: 64

約数和(自身を含む): 339422400

約数和(自身を除く): 198975880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 340, 355, 568, 680, 710, 1207, 1420, 2414, 2840, 2909, 4828, 5818, 6035, 9656, 11636, 12070, 14545, 23272, 24140, 29090, 48280, 49453, 58180, 98906, 116360, 197812, 206539, 247265, 395624, 413078, 494530, 826156, 989060, 1032695, 1652312, 1978120, 2065390, 3511163, 4130780, 7022326, 8261560, 14044652, 17555815, 28089304, 35111630, 70223260, 140446520]

約数ペア:

[(1, 140446520), (2, 70223260), (4, 35111630), (5, 28089304), (8, 17555815), (10, 14044652), (17, 8261560), (20, 7022326), (34, 4130780), (40, 3511163), (68, 2065390), (71, 1978120), (85, 1652312), (136, 1032695), (142, 989060), (170, 826156), (284, 494530), (340, 413078), (355, 395624), (568, 247265), (680, 206539), (710, 197812), (1207, 116360), (1420, 98906), (2414, 58180), (2840, 49453), (2909, 48280), (4828, 29090), (5818, 24140), (6035, 23272), (9656, 14545), (11636, 12070)]