217423760

素因数分解:

$2^4\times 5^1\times {\mathrm{449}}^1\times {\mathrm{6053}}^1$

素因数の和:6515

約数の個数: 40

約数和(自身を含む): 506719800

約数和(自身を除く): 289296040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 449, 898, 1796, 2245, 3592, 4490, 6053, 7184, 8980, 12106, 17960, 24212, 30265, 35920, 48424, 60530, 96848, 121060, 242120, 484240, 2717797, 5435594, 10871188, 13588985, 21742376, 27177970, 43484752, 54355940, 108711880, 217423760]

約数ペア:

[(1, 217423760), (2, 108711880), (4, 54355940), (5, 43484752), (8, 27177970), (10, 21742376), (16, 13588985), (20, 10871188), (40, 5435594), (80, 2717797), (449, 484240), (898, 242120), (1796, 121060), (2245, 96848), (3592, 60530), (4490, 48424), (6053, 35920), (7184, 30265), (8980, 24212), (12106, 17960)]